diff --git a/inc/phnt/ntdbg.h b/inc/phnt/ntdbg.h
index deb804e..ff1c060 100644
--- a/inc/phnt/ntdbg.h
+++ b/inc/phnt/ntdbg.h
@@ -107,7 +107,8 @@ typedef struct _DBGUI_WAIT_STATE_CHANGE
 
 typedef enum _DEBUGOBJECTINFOCLASS
 {
-    DebugObjectFlags = 1,
+    DebugObjectUnusedInformation,
+    DebugObjectKillProcessOnExitInformation,
     MaxDebugObjectInfoClass
 } DEBUGOBJECTINFOCLASS, *PDEBUGOBJECTINFOCLASS;
 
diff --git a/inc/phnt/ntexapi.h b/inc/phnt/ntexapi.h
index 815ee07..0a429e5 100644
--- a/inc/phnt/ntexapi.h
+++ b/inc/phnt/ntexapi.h
@@ -1394,13 +1394,13 @@ typedef enum _SYSTEM_INFORMATION_CLASS
     SystemSecureDumpEncryptionInformation,
     SystemWriteConstraintInformation, // SYSTEM_WRITE_CONSTRAINT_INFORMATION
     SystemKernelVaShadowInformation, // SYSTEM_KERNEL_VA_SHADOW_INFORMATION
-    SystemHypervisorSharedPageInformation, // SYSTEM_HYPERVISOR_SHARED_PAGE_INFORMATION // REDSTONE4
+    SystemHypervisorSharedPageInformation, // SYSTEM_HYPERVISOR_SHARED_PAGE_INFORMATION // since REDSTONE4
     SystemFirmwareBootPerformanceInformation,
-    SystemCodeIntegrityVerificationInformation,
+    SystemCodeIntegrityVerificationInformation, // SYSTEM_CODEINTEGRITYVERIFICATION_INFORMATION
     SystemFirmwarePartitionInformation, // 200
     SystemSpeculationControlInformation, // SYSTEM_SPECULATION_CONTROL_INFORMATION // (CVE-2017-5715) REDSTONE3 and above.
-    SystemDmaGuardPolicyInformation,
-    SystemEnclaveLaunchControlInformation,
+    SystemDmaGuardPolicyInformation, // SYSTEM_DMA_GUARD_POLICY_INFORMATION
+    SystemEnclaveLaunchControlInformation, // SYSTEM_ENCLAVE_LAUNCH_CONTROL_INFORMATION
     MaxSystemInfoClass
 } SYSTEM_INFORMATION_CLASS;
 
@@ -1424,7 +1424,7 @@ typedef struct _SYSTEM_PROCESSOR_INFORMATION
     USHORT ProcessorArchitecture;
     USHORT ProcessorLevel;
     USHORT ProcessorRevision;
-    USHORT ProcessorCount;
+    USHORT MaximumProcessors;
     ULONG ProcessorFeatureBits;
 } SYSTEM_PROCESSOR_INFORMATION, *PSYSTEM_PROCESSOR_INFORMATION;
 
@@ -1845,6 +1845,11 @@ typedef enum _EVENT_TRACE_INFORMATION_CLASS
     EventTraceSoftRestartInformation, // EVENT_TRACE_SOFT_RESTART_INFORMATION
     EventTraceLastBranchConfigurationInformation, // REDSTONE3
     EventTraceLastBranchEventListInformation,
+    EventTraceProfileSourceAddInformation, // EVENT_TRACE_PROFILE_ADD_INFORMATION // REDSTONE4
+    EventTraceProfileSourceRemoveInformation, // EVENT_TRACE_PROFILE_REMOVE_INFORMATION
+    EventTraceProcessorTraceConfigurationInformation,
+    EventTraceProcessorTraceEventListInformation,
+    EventTraceCoverageSamplerInformation, // EVENT_TRACE_COVERAGE_SAMPLER_INFORMATION
     MaxEventTraceInfoClass
 } EVENT_TRACE_INFORMATION_CLASS;
 
@@ -1955,6 +1960,36 @@ typedef struct _EVENT_TRACE_SOFT_RESTART_INFORMATION
     WCHAR FileName[1];
 } EVENT_TRACE_SOFT_RESTART_INFORMATION, *PEVENT_TRACE_SOFT_RESTART_INFORMATION;
 
+typedef struct _EVENT_TRACE_PROFILE_ADD_INFORMATION
+{
+    EVENT_TRACE_INFORMATION_CLASS EventTraceInformationClass;
+    BOOLEAN PerfEvtEventSelect;
+    BOOLEAN PerfEvtUnitSelect;
+    ULONG PerfEvtType;
+    ULONG CpuInfoHierarchy[0x3];
+    ULONG InitialInterval;
+    BOOLEAN AllowsHalt;
+    BOOLEAN Persist;
+    WCHAR ProfileSourceDescription[0x1];
+} EVENT_TRACE_PROFILE_ADD_INFORMATION, *PEVENT_TRACE_PROFILE_ADD_INFORMATION;
+
+typedef struct _EVENT_TRACE_PROFILE_REMOVE_INFORMATION
+{
+    EVENT_TRACE_INFORMATION_CLASS EventTraceInformationClass;
+    KPROFILE_SOURCE ProfileSource;
+    ULONG CpuInfoHierarchy[0x3];
+} EVENT_TRACE_PROFILE_REMOVE_INFORMATION, *PEVENT_TRACE_PROFILE_REMOVE_INFORMATION;
+
+typedef struct _EVENT_TRACE_COVERAGE_SAMPLER_INFORMATION
+{
+    EVENT_TRACE_INFORMATION_CLASS EventTraceInformationClass;
+    BOOLEAN CoverageSamplerInformationClass;
+    UCHAR MajorVersion;
+    UCHAR MinorVersion;
+    UCHAR Reserved;
+    HANDLE SamplerHandle;
+} EVENT_TRACE_COVERAGE_SAMPLER_INFORMATION, *PEVENT_TRACE_COVERAGE_SAMPLER_INFORMATION;
+
 typedef struct _SYSTEM_EXCEPTION_INFORMATION
 {
     ULONG AlignmentFixupCount;
@@ -2256,7 +2291,17 @@ typedef struct _SYSTEM_BOOT_ENVIRONMENT_INFORMATION
 {
     GUID BootIdentifier;
     FIRMWARE_TYPE FirmwareType;
-    ULONGLONG BootFlags;
+    union
+    {
+        ULONGLONG BootFlags;
+        struct
+        {
+            ULONGLONG DbgMenuOsSelection : 1; // REDSTONE4
+            ULONGLONG DbgHiberBoot : 1;
+            ULONGLONG DbgSoftBoot : 1;
+            ULONGLONG DbgMeasuredLaunch : 1;
+        };
+    };
 } SYSTEM_BOOT_ENVIRONMENT_INFORMATION, *PSYSTEM_BOOT_ENVIRONMENT_INFORMATION;
 
 // private
@@ -2788,6 +2833,7 @@ typedef enum _SYSTEM_PROCESS_CLASSIFICATION
     SystemProcessClassificationSystem,
     SystemProcessClassificationSecureSystem,
     SystemProcessClassificationMemCompression,
+    SystemProcessClassificationRegistry, // REDSTONE4
     SystemProcessClassificationMaximum
 } SYSTEM_PROCESS_CLASSIFICATION;
 
@@ -3007,6 +3053,7 @@ typedef struct _SYSTEM_MEMORY_USAGE_INFORMATION
 typedef struct _SYSTEM_CODEINTEGRITY_CERTIFICATE_INFORMATION
 {
     HANDLE ImageFile;
+    ULONG Type; // REDSTONE4
 } SYSTEM_CODEINTEGRITY_CERTIFICATE_INFORMATION, *PSYSTEM_CODEINTEGRITY_CERTIFICATE_INFORMATION;
 
 // private
@@ -3021,8 +3068,8 @@ typedef struct _SYSTEM_PHYSICAL_MEMORY_INFORMATION
 typedef enum _SYSTEM_ACTIVITY_MODERATION_STATE
 {
     SystemActivityModerationStateSystemManaged,
-    SystemActivityModerationStateAlwaysThrottled,
-    SystemActivityModerationStateNeverThrottled,
+    SystemActivityModerationStateUserManagedAllowThrottling,
+    SystemActivityModerationStateUserManagedDisableThrottling,
     MaxSystemActivityModerationState
 } SYSTEM_ACTIVITY_MODERATION_STATE;
 
@@ -3065,9 +3112,11 @@ typedef struct _SYSTEM_CODEINTEGRITY_UNLOCK_INFORMATION
             ULONG Locked : 1;
             ULONG Unlockable : 1;
             ULONG UnlockApplied : 1;
-            ULONG Reserved : 29;
+            ULONG UnlockIdValid : 1; // REDSTONE4
+            ULONG Reserved : 28;
         };
     };
+    UCHAR UnlockId[32]; // REDSTONE4
 } SYSTEM_CODEINTEGRITY_UNLOCK_INFORMATION, *PSYSTEM_CODEINTEGRITY_UNLOCK_INFORMATION;
 
 // private
@@ -3098,11 +3147,21 @@ typedef struct _SYSTEM_KERNEL_VA_SHADOW_INFORMATION
             ULONG KvaShadowUserGlobal : 1;
             ULONG KvaShadowPcid : 1;
             ULONG KvaShadowInvpcid : 1;
-            ULONG Reserved : 28;
+            ULONG KvaShadowRequired : 1; // REDSTONE4
+            ULONG KvaShadowRequiredAvailable : 1;
+            ULONG Reserved : 26;
         };
     };
 } SYSTEM_KERNEL_VA_SHADOW_INFORMATION, *PSYSTEM_KERNEL_VA_SHADOW_INFORMATION;
 
+// private
+typedef struct _SYSTEM_CODEINTEGRITYVERIFICATION_INFORMATION
+{
+    HANDLE FileHandle;
+    ULONG ImageSize;
+    PVOID Image;
+} SYSTEM_CODEINTEGRITYVERIFICATION_INFORMATION, *PSYSTEM_CODEINTEGRITYVERIFICATION_INFORMATION;
+
 // private
 typedef struct _SYSTEM_HYPERVISOR_SHARED_PAGE_INFORMATION
 {
@@ -3130,6 +3189,18 @@ typedef struct _SYSTEM_SPECULATION_CONTROL_INFORMATION
     };
 } SYSTEM_SPECULATION_CONTROL_INFORMATION, *PSYSTEM_SPECULATION_CONTROL_INFORMATION;
 
+// private
+typedef struct _SYSTEM_DMA_GUARD_POLICY_INFORMATION
+{
+    BOOLEAN DmaGuardPolicyEnabled;
+} SYSTEM_DMA_GUARD_POLICY_INFORMATION, *PSYSTEM_DMA_GUARD_POLICY_INFORMATION;
+
+// private
+typedef struct _SYSTEM_ENCLAVE_LAUNCH_CONTROL_INFORMATION
+{
+    UCHAR EnclaveLaunchSigner[32];
+} SYSTEM_ENCLAVE_LAUNCH_CONTROL_INFORMATION, *PSYSTEM_ENCLAVE_LAUNCH_CONTROL_INFORMATION;
+
 #if (PHNT_MODE != PHNT_MODE_KERNEL)
 
 NTSYSCALLAPI
@@ -3284,7 +3355,8 @@ typedef union _SYSDBG_LIVEDUMP_CONTROL_FLAGS
         ULONG UseDumpStorageStack : 1;
         ULONG CompressMemoryPagesData : 1;
         ULONG IncludeUserSpaceMemoryPages : 1;
-        ULONG Reserved : 29;
+        ULONG AbortIfMemoryPressure : 1; // REDSTONE4
+        ULONG Reserved : 28;
     };
     ULONG AsUlong;
 } SYSDBG_LIVEDUMP_CONTROL_FLAGS, *PSYSDBG_LIVEDUMP_CONTROL_FLAGS;
@@ -3980,12 +4052,15 @@ NtDisplayString(
     _In_ PUNICODE_STRING String
     );
 
+// Boot graphics
+
 #if (PHNT_VERSION >= PHNT_WIN7)
+// rev
 NTSYSCALLAPI
 NTSTATUS
 NTAPI
 NtDrawText(
-    _In_ PUNICODE_STRING String
+    _In_ PUNICODE_STRING Text
     );
 #endif
 
diff --git a/inc/phnt/ntioapi.h b/inc/phnt/ntioapi.h
index 158e3b0..7bc7ae4 100644
--- a/inc/phnt/ntioapi.h
+++ b/inc/phnt/ntioapi.h
@@ -243,6 +243,8 @@ typedef enum _FILE_INFORMATION_CLASS
     FileDesiredStorageClassInformation, // FILE_DESIRED_STORAGE_CLASS_INFORMATION // since REDSTONE2
     FileStatInformation, // FILE_STAT_INFORMATION
     FileMemoryPartitionInformation, // FILE_MEMORY_PARTITION_INFORMATION // since REDSTONE3
+    FileStatLxInformation, // FILE_STAT_LX_INFORMATION // since REDSTONE4
+    FileCaseSensitiveInformation, // FILE_CASE_SENSITIVE_INFORMATION
     FileMaximumInformation
 } FILE_INFORMATION_CLASS, *PFILE_INFORMATION_CLASS;
 
@@ -711,6 +713,34 @@ typedef struct _FILE_MEMORY_PARTITION_INFORMATION
     } Flags;
 } FILE_MEMORY_PARTITION_INFORMATION, *PFILE_MEMORY_PARTITION_INFORMATION;
 
+// private
+typedef struct _FILE_STAT_LX_INFORMATION
+{
+    LARGE_INTEGER FileId;
+    LARGE_INTEGER CreationTime;
+    LARGE_INTEGER LastAccessTime;
+    LARGE_INTEGER LastWriteTime;
+    LARGE_INTEGER ChangeTime;
+    LARGE_INTEGER AllocationSize;
+    LARGE_INTEGER EndOfFile;
+    ULONG FileAttributes;
+    ULONG ReparseTag;
+    ULONG NumberOfLinks;
+    ULONG EffectiveAccess;
+    ULONG LxFlags;
+    ULONG LxUid;
+    ULONG LxGid;
+    ULONG LxMode;
+    ULONG LxDeviceIdMajor;
+    ULONG LxDeviceIdMinor;
+} FILE_STAT_LX_INFORMATION, *PFILE_STAT_LX_INFORMATION;
+
+// private
+typedef struct _FILE_CASE_SENSITIVE_INFORMATION
+{
+    ULONG Flags;
+} FILE_CASE_SENSITIVE_INFORMATION, *PFILE_CASE_SENSITIVE_INFORMATION;
+
 // NtQueryDirectoryFile types
 
 typedef struct _FILE_DIRECTORY_INFORMATION
diff --git a/inc/phnt/ntldr.h b/inc/phnt/ntldr.h
index 0f2d937..6f5a214 100644
--- a/inc/phnt/ntldr.h
+++ b/inc/phnt/ntldr.h
@@ -720,6 +720,7 @@ LdrEnumerateLoadedModules(
     _In_ PVOID Context
     );
 
+NTSYSAPI
 NTSTATUS
 NTAPI
 LdrOpenImageFileOptionsKey(
@@ -728,6 +729,7 @@ LdrOpenImageFileOptionsKey(
     _Out_ PHANDLE NewKeyHandle
     );
 
+NTSYSAPI
 NTSTATUS
 NTAPI
 LdrQueryImageFileKeyOption(
@@ -739,6 +741,7 @@ LdrQueryImageFileKeyOption(
     _Out_opt_ PULONG ReturnedLength
     );
 
+NTSYSAPI
 NTSTATUS
 NTAPI
 LdrQueryImageFileExecutionOptions(
diff --git a/inc/phnt/ntmisc.h b/inc/phnt/ntmisc.h
index 7ba023d..1d32c9a 100644
--- a/inc/phnt/ntmisc.h
+++ b/inc/phnt/ntmisc.h
@@ -1,18 +1,6 @@
 #ifndef _NTMISC_H
 #define _NTMISC_H
 
-// Boot graphics
-
-#if (PHNT_VERSION >= PHNT_WIN7)
-// rev
-NTSYSCALLAPI
-NTSTATUS
-NTAPI
-NtDrawText(
-    _In_ PUNICODE_STRING Text
-    );
-#endif
-
 // Filter manager
 
 #define FLT_PORT_CONNECT 0x0001
diff --git a/inc/phnt/ntmmapi.h b/inc/phnt/ntmmapi.h
index f9c37b4..aa2a9bf 100644
--- a/inc/phnt/ntmmapi.h
+++ b/inc/phnt/ntmmapi.h
@@ -75,7 +75,7 @@ typedef enum _MEMORY_INFORMATION_CLASS
     MemoryImageInformation, // MEMORY_IMAGE_INFORMATION
     MemoryRegionInformationEx,
     MemoryPrivilegedBasicInformation,
-    MemoryEnclaveImageInformation, // since REDSTONE3
+    MemoryEnclaveImageInformation, // MEMORY_ENCLAVE_IMAGE_INFORMATION // since REDSTONE3
     MemoryBasicInformationCapped
 } MEMORY_INFORMATION_CLASS;
 #else
@@ -216,12 +216,20 @@ typedef struct _MEMORY_IMAGE_INFORMATION
         {
             ULONG ImagePartialMap : 1;
             ULONG ImageNotExecutable : 1;
-            ULONG ImageSigningLevel : 1; // REDSTONE3
-            ULONG Reserved : 30;
+            ULONG ImageSigningLevel : 4; // REDSTONE3
+            ULONG Reserved : 26;
         };
     };
 } MEMORY_IMAGE_INFORMATION, *PMEMORY_IMAGE_INFORMATION;
 
+// private
+typedef struct _MEMORY_ENCLAVE_IMAGE_INFORMATION
+{
+    MEMORY_IMAGE_INFORMATION ImageInfo;
+    UCHAR UniqueID[32];
+    UCHAR AuthorID[32];
+} MEMORY_ENCLAVE_IMAGE_INFORMATION, *PMEMORY_ENCLAVE_IMAGE_INFORMATION;
+
 #define MMPFNLIST_ZERO 0
 #define MMPFNLIST_FREE 1
 #define MMPFNLIST_STANDBY 2
@@ -663,7 +671,8 @@ typedef enum _MEMORY_PARTITION_INFORMATION_CLASS
     SystemMemoryPartitionAddPagefile, // s: MEMORY_PARTITION_PAGEFILE_INFORMATION
     SystemMemoryPartitionCombineMemory, // q; s: MEMORY_PARTITION_PAGE_COMBINE_INFORMATION
     SystemMemoryPartitionInitialAddMemory, // q; s: MEMORY_PARTITION_INITIAL_ADD_INFORMATION
-    SystemMemoryPartitionGetMemoryEvents // MEMORY_PARTITION_MEMORY_EVENTS_INFORMATION // since REDSTONE2
+    SystemMemoryPartitionGetMemoryEvents, // MEMORY_PARTITION_MEMORY_EVENTS_INFORMATION // since REDSTONE2
+    SystemMemoryPartitionMax
 } MEMORY_PARTITION_INFORMATION_CLASS;
 
 // private
diff --git a/inc/phnt/ntpebteb.h b/inc/phnt/ntpebteb.h
index 10e458f..577097e 100644
--- a/inc/phnt/ntpebteb.h
+++ b/inc/phnt/ntpebteb.h
@@ -84,8 +84,8 @@ typedef struct _PEB
     PVOID SubSystemData;
     PVOID ProcessHeap;
     PRTL_CRITICAL_SECTION FastPebLock;
-    PVOID AtlThunkSListPtr;
     PVOID IFEOKey;
+    PSLIST_HEADER AtlThunkSListPtr;
     union
     {
         ULONG CrossProcessFlags;
@@ -193,19 +193,24 @@ typedef struct _PEB
         };
     };
     ULONGLONG CsrServerReadOnlySharedMemoryBase;
-    PVOID TppWorkerpListLock;
+    PRTL_CRITICAL_SECTION TppWorkerpListLock;
     LIST_ENTRY TppWorkerpList;
     PVOID WaitOnAddressHashTable[128];
     PVOID TelemetryCoverageHeader; // REDSTONE3
     ULONG CloudFileFlags;
+    ULONG CloudFileDiagFlags; // REDSTONE4
+    CHAR PlaceholderCompatibilityMode;
+    CHAR PlaceholderCompatibilityModeReserved[7];
 } PEB, *PPEB;
 
 #ifdef _WIN64
 C_ASSERT(FIELD_OFFSET(PEB, SessionId) == 0x2C0);
-C_ASSERT(sizeof(PEB) == 0x7B0);
+//C_ASSERT(sizeof(PEB) == 0x7B0); // REDSTONE3
+C_ASSERT(sizeof(PEB) == 0x7B8); // REDSTONE4
 #else
 C_ASSERT(FIELD_OFFSET(PEB, SessionId) == 0x1D4);
-C_ASSERT(sizeof(PEB) == 0x468);
+//C_ASSERT(sizeof(PEB) == 0x468); // REDSTONE3
+C_ASSERT(sizeof(PEB) == 0x470);
 #endif
 
 #define GDI_BATCH_BUFFER_SIZE 310
diff --git a/inc/phnt/ntpsapi.h b/inc/phnt/ntpsapi.h
index 28a083a..7de4443 100644
--- a/inc/phnt/ntpsapi.h
+++ b/inc/phnt/ntpsapi.h
@@ -105,7 +105,7 @@ typedef enum _PROCESSINFOCLASS
     ProcessBasePriority, // s: KPRIORITY
     ProcessRaisePriority, // s: ULONG
     ProcessDebugPort, // q: HANDLE
-    ProcessExceptionPort, // s: HANDLE
+    ProcessExceptionPort, // s: PROCESS_EXCEPTION_PORT
     ProcessAccessToken, // s: PROCESS_ACCESS_TOKEN
     ProcessLdtInformation, // qs: PROCESS_LDT_INFORMATION // 10
     ProcessLdtSize, // s: PROCESS_LDT_SIZE
@@ -132,12 +132,12 @@ typedef enum _PROCESSINFOCLASS
     ProcessHandleTracing, // q: PROCESS_HANDLE_TRACING_QUERY; s: size 0 disables, otherwise enables
     ProcessIoPriority, // qs: IO_PRIORITY_HINT
     ProcessExecuteFlags, // qs: ULONG
-    ProcessResourceManagement,
+    ProcessResourceManagement, // ProcessTlsInformation // PROCESS_TLS_INFORMATION
     ProcessCookie, // q: ULONG
     ProcessImageInformation, // q: SECTION_IMAGE_INFORMATION
     ProcessCycleTime, // q: PROCESS_CYCLE_TIME_INFORMATION // since VISTA
-    ProcessPagePriority, // q: ULONG
-    ProcessInstrumentationCallback, // 40
+    ProcessPagePriority, // q: PAGE_PRIORITY_INFORMATION
+    ProcessInstrumentationCallback, // qs: PROCESS_INSTRUMENTATION_CALLBACK_INFORMATION // 40
     ProcessThreadStackAllocation, // s: PROCESS_STACK_ALLOCATION_INFORMATION, PROCESS_STACK_ALLOCATION_INFORMATION_EX
     ProcessWorkingSetWatchEx, // q: PROCESS_WS_WATCH_INFORMATION_EX[]
     ProcessImageFileNameWin32, // q: UNICODE_STRING
@@ -146,7 +146,7 @@ typedef enum _PROCESSINFOCLASS
     ProcessMemoryAllocationMode, // qs: PROCESS_MEMORY_ALLOCATION_MODE
     ProcessGroupInformation, // q: USHORT[]
     ProcessTokenVirtualizationEnabled, // s: ULONG
-    ProcessConsoleHostProcess, // q: ULONG_PTR
+    ProcessConsoleHostProcess, // q: ULONG_PTR // ProcessOwnerInformation
     ProcessWindowInformation, // q: PROCESS_WINDOW_INFORMATION // 50
     ProcessHandleInformation, // q: PROCESS_HANDLE_SNAPSHOT_INFORMATION // since WIN8
     ProcessMitigationPolicy, // s: PROCESS_MITIGATION_POLICY_INFORMATION
@@ -187,6 +187,9 @@ typedef enum _PROCESSINFOCLASS
     ProcessEnableReadWriteVmLogging, // PROCESS_READWRITEVM_LOGGING_INFORMATION
     ProcessUptimeInformation, // PROCESS_UPTIME_INFORMATION
     ProcessImageSection,
+    ProcessDebugAuthInformation, // since REDSTONE4
+    ProcessSystemResourceManagement, // PROCESS_SYSTEM_RESOURCE_MANAGEMENT
+    ProcessSequenceNumber, // q: ULONGLONG
     MaxProcessInfoClass
 } PROCESSINFOCLASS;
 #endif
@@ -353,6 +356,15 @@ typedef struct _POOLED_USAGE_AND_LIMITS
     SIZE_T PagefileLimit;
 } POOLED_USAGE_AND_LIMITS, *PPOOLED_USAGE_AND_LIMITS;
 
+#define PROCESS_EXCEPTION_PORT_ALL_STATE_BITS 0x00000003
+#define PROCESS_EXCEPTION_PORT_ALL_STATE_FLAGS ((ULONG_PTR)((1UL << PROCESS_EXCEPTION_PORT_ALL_STATE_BITS) - 1))
+
+typedef struct _PROCESS_EXCEPTION_PORT 
+{
+    _In_ HANDLE ExceptionPortHandle; // Handle to the exception port. No particular access required.
+    _Inout_ ULONG StateFlags; // Miscellaneous state flags to be cached along with the exception port in the kernel.
+} PROCESS_EXCEPTION_PORT, *PPROCESS_EXCEPTION_PORT;
+
 typedef struct _PROCESS_ACCESS_TOKEN
 {
     HANDLE Token; // needs TOKEN_ASSIGN_PRIMARY access
@@ -448,6 +460,8 @@ typedef struct _PROCESS_SESSION_INFORMATION
     ULONG SessionId;
 } PROCESS_SESSION_INFORMATION, *PPROCESS_SESSION_INFORMATION;
 
+#define PROCESS_HANDLE_EXCEPTIONS_ENABLED 0x00000001
+
 #define PROCESS_HANDLE_RAISE_EXCEPTION_ON_INVALID_HANDLE_CLOSE_DISABLED 0x00000000
 #define PROCESS_HANDLE_RAISE_EXCEPTION_ON_INVALID_HANDLE_CLOSE_ENABLED 0x00000001
 
@@ -487,6 +501,42 @@ typedef struct _PROCESS_HANDLE_TRACING_QUERY
 
 #endif
 
+// private
+typedef struct _THREAD_TLS_INFORMATION
+{
+    ULONG Flags;
+    PVOID NewTlsData;
+    PVOID OldTlsData;
+    HANDLE ThreadId;
+} THREAD_TLS_INFORMATION, *PTHREAD_TLS_INFORMATION;
+
+// private
+typedef enum _PROCESS_TLS_INFORMATION_TYPE
+{
+    ProcessTlsReplaceIndex,
+    ProcessTlsReplaceVector,
+    MaxProcessTlsOperation
+} PROCESS_TLS_INFORMATION_TYPE, *PPROCESS_TLS_INFORMATION_TYPE;
+
+// private
+typedef struct _PROCESS_TLS_INFORMATION
+{
+    ULONG Flags;
+    ULONG OperationType;
+    ULONG ThreadDataCount;
+    ULONG TlsIndex;
+    ULONG PreviousCount;
+    THREAD_TLS_INFORMATION ThreadData[1];
+} PROCESS_TLS_INFORMATION, *PPROCESS_TLS_INFORMATION;
+
+// private
+typedef struct _PROCESS_INSTRUMENTATION_CALLBACK_INFORMATION
+{
+    ULONG Version;
+    ULONG Reserved;
+    PVOID Callback;
+} PROCESS_INSTRUMENTATION_CALLBACK_INFORMATION, *PPROCESS_INSTRUMENTATION_CALLBACK_INFORMATION;
+
 // private
 typedef struct _PROCESS_STACK_ALLOCATION_INFORMATION
 {
@@ -757,17 +807,19 @@ typedef struct _MANAGE_WRITES_TO_EXECUTABLE_MEMORY
     ULONG Spare : 22;
 } MANAGE_WRITES_TO_EXECUTABLE_MEMORY, *PMANAGE_WRITES_TO_EXECUTABLE_MEMORY;
 
-typedef struct _PROCESS_READWRITEVM_LOGGING_INFORMATION
+#define PROCESS_READWRITEVM_LOGGING_ENABLE_READVM 1
+#define PROCESS_READWRITEVM_LOGGING_ENABLE_WRITEVM 2
+#define PROCESS_READWRITEVM_LOGGING_ENABLE_READVM_V 1UL
+#define PROCESS_READWRITEVM_LOGGING_ENABLE_WRITEVM_V 2UL
+
+typedef union _PROCESS_READWRITEVM_LOGGING_INFORMATION
 {
-    union
+    UCHAR Flags;
+    struct
     {
-        BOOLEAN Flags;
-        struct
-        {
-            BOOLEAN EnableReadVmLogging : 1;
-            BOOLEAN EnableWriteVmLogging : 1;
-            BOOLEAN Unused : 6;
-        };
+        UCHAR EnableReadVmLogging : 1;
+        UCHAR EnableWriteVmLogging : 1;
+        UCHAR Unused : 6;
     };
 } PROCESS_READWRITEVM_LOGGING_INFORMATION, *PPROCESS_READWRITEVM_LOGGING_INFORMATION;
 
@@ -788,6 +840,16 @@ typedef struct _PROCESS_UPTIME_INFORMATION
     };
 } PROCESS_UPTIME_INFORMATION, *PPROCESS_UPTIME_INFORMATION;
 
+typedef union _PROCESS_SYSTEM_RESOURCE_MANAGEMENT
+{
+    ULONG Flags;
+    struct
+    {
+        ULONG Foreground : 1;
+        ULONG Reserved : 31;
+    };
+} PROCESS_SYSTEM_RESOURCE_MANAGEMENT, *PPROCESS_SYSTEM_RESOURCE_MANAGEMENT;
+
 // end_private
 
 #endif
@@ -1008,6 +1070,7 @@ NtResumeProcess(
 #define NtCurrentProcessToken() ((HANDLE)(LONG_PTR)-4)
 #define NtCurrentThreadToken() ((HANDLE)(LONG_PTR)-5)
 #define NtCurrentEffectiveToken() ((HANDLE)(LONG_PTR)-6)
+#define NtCurrentSilo() ((HANDLE)(LONG_PTR)-1)
 
 // Not NT, but useful.
 #define NtCurrentProcessId() (NtCurrentTeb()->ClientId.UniqueProcess)
@@ -1471,7 +1534,8 @@ typedef enum _PS_MITIGATION_OPTION
     PS_MITIGATION_OPTION_EXPORT_ADDRESS_FILTER_PLUS,
     PS_MITIGATION_OPTION_RESTRICT_CHILD_PROCESS_CREATION,
     PS_MITIGATION_OPTION_IMPORT_ADDRESS_FILTER,
-    PS_MITIGATION_OPTION_MODULE_TAMPERING_PROTECTION
+    PS_MITIGATION_OPTION_MODULE_TAMPERING_PROTECTION,
+    PS_MITIGATION_OPTION_RESTRICT_INDIRECT_BRANCH_PREDICTION
 } PS_MITIGATION_OPTION;
 
 // windows-internals-book:"Chapter 5"
diff --git a/inc/phnt/ntrtl.h b/inc/phnt/ntrtl.h
index 3c480d5..c930b0a 100644
--- a/inc/phnt/ntrtl.h
+++ b/inc/phnt/ntrtl.h
@@ -3236,6 +3236,15 @@ RtlDoesFileExists_U(
     _In_ PWSTR FileName
     );
 
+#if (PHNT_VERSION >= PHNT_REDSTONE2)
+NTSYSAPI
+PCWSTR
+NTAPI
+RtlGetNtSystemRoot(
+    VOID
+    );
+#endif
+
 // Heaps
 
 typedef struct _RTL_HEAP_ENTRY
diff --git a/inc/phnt/phnt.h b/inc/phnt/phnt.h
index 924b09b..f341217 100644
--- a/inc/phnt/phnt.h
+++ b/inc/phnt/phnt.h
@@ -36,6 +36,7 @@
 #define PHNT_REDSTONE 102
 #define PHNT_REDSTONE2 103
 #define PHNT_REDSTONE3 104
+#define PHNT_REDSTONE4 105
 
 #ifndef PHNT_MODE
 #define PHNT_MODE PHNT_MODE_USER
diff --git a/inc/phnt/phnt_ntdef.h b/inc/phnt/phnt_ntdef.h
index 36cc781..b3ecedc 100644
--- a/inc/phnt/phnt_ntdef.h
+++ b/inc/phnt/phnt_ntdef.h
@@ -213,6 +213,8 @@ typedef const OBJECT_ATTRIBUTES *PCOBJECT_ATTRIBUTES;
 #define RTL_CONSTANT_OBJECT_ATTRIBUTES(n, a) { sizeof(OBJECT_ATTRIBUTES), NULL, n, a, NULL, NULL }
 #define RTL_INIT_OBJECT_ATTRIBUTES(n, a) RTL_CONSTANT_OBJECT_ATTRIBUTES(n, a)
 
+#define OBJ_NAME_PATH_SEPARATOR ((WCHAR)L'\\')
+
 // Portability
 
 typedef struct _OBJECT_ATTRIBUTES64