Getsystemtimepreciseasfiletime Windows 7 Patched ((better)) ✯

The GetSystemTimePreciseAsFileTime function was introduced with Windows 8 and is natively not available on Windows 7. Developers often encounter a "procedure entry point could not be located" error when trying to run modern applications—compiled with newer toolsets like MSVC v145—on older systems.

Some open-source projects (like those porting Chromium or modern games to Win7) use a custom DLL to "spoof" the function.

Example Code: Here's a simple example of using GetSystemTimePreciseAsFileTime in C++:

1. Call GetSystemTimeAsFileTime to get a coarse UTC baseline.
2. Call QueryPerformanceCounter to get a high-resolution tick count.
3. Call QueryPerformanceFrequency to determine tick resolution.
4. Calculate an offset from the last coarse time update.
5. Add the offset to the baseline FILETIME.

For specific programs, users may manually hex-edit the application's executable or its dependent DLLs. By finding the string GetSystemTimePreciseAsFileTime and replacing it with the shorter GetSystemTimeAsFileTime

void GetPatchedSystemTimePreciseAsFileTime(LPFILETIME lpSystemTimeAsFileTime)

In various GitHub issues and developer forums, Microsoft engineers have reiterated that they will not back-port the API. The community patch thus remains an unsupported, "use at your own risk" solution.