diff --git a/windows/types_windows.go b/windows/types_windows.go
index 99b85f6d..242a5a3c 100644
--- a/windows/types_windows.go
+++ b/windows/types_windows.go
@@ -158,9 +158,39 @@ const (
 	WAIT_OBJECT_0  = 0x00000000
 	WAIT_FAILED    = 0xFFFFFFFF
 
-	PROCESS_TERMINATE         = 1
-	PROCESS_QUERY_INFORMATION = 0x00000400
-	SYNCHRONIZE               = 0x00100000
+	// Standard access rights.
+	DELETE       = 0x00010000
+	READ_CONTROL = 0x00020000
+	SYNCHRONIZE  = 0x00100000
+	WRITE_DAC    = 0x00040000
+	WRITE_OWNER  = 0x00080000
+
+	// Access rights for process.
+	PROCESS_CREATE_PROCESS            = 0x0080
+	PROCESS_CREATE_THREAD             = 0x0002
+	PROCESS_DUP_HANDLE                = 0x0040
+	PROCESS_QUERY_INFORMATION         = 0x0400
+	PROCESS_QUERY_LIMITED_INFORMATION = 0x1000
+	PROCESS_SET_INFORMATION           = 0x0200
+	PROCESS_SET_QUOTA                 = 0x0100
+	PROCESS_SUSPEND_RESUME            = 0x0800
+	PROCESS_TERMINATE                 = 0x0001
+	PROCESS_VM_OPERATION              = 0x0008
+	PROCESS_VM_READ                   = 0x0010
+	PROCESS_VM_WRITE                  = 0x0020
+
+	// Access rights for thread.
+	THREAD_DIRECT_IMPERSONATION      = 0x0200
+	THREAD_GET_CONTEXT               = 0x0008
+	THREAD_IMPERSONATE               = 0x0100
+	THREAD_QUERY_INFORMATION         = 0x0040
+	THREAD_QUERY_LIMITED_INFORMATION = 0x0800
+	THREAD_SET_CONTEXT               = 0x0010
+	THREAD_SET_INFORMATION           = 0x0020
+	THREAD_SET_LIMITED_INFORMATION   = 0x0400
+	THREAD_SET_THREAD_TOKEN          = 0x0080
+	THREAD_SUSPEND_RESUME            = 0x0002
+	THREAD_TERMINATE                 = 0x0001
 
 	FILE_MAP_COPY    = 0x01
 	FILE_MAP_WRITE   = 0x02