Min version	XP	2003/XP64 SP1
Max version	2003/XP64 SP2	10 TH2
x86 offset offset:bitpos	Field Name
0x0000	unsigned long LowPart
0x0000	struct __unnamed u	struct <unnamed-tag> u
0x0000	int64_t QuadPart
0x0004	long HighPart