OneCore API - Run x64 (even modern!) apps on x32 and x86 XP

Martingonn · 2025-07-04T21:26:53+0300

This is a gamechanger in terms of XP!
Check them out here: https://github.com/shorthorn-project/One-Core-API-Binaries
It allows you to run modern applications (even x64) on Windows XP. It is free and open-source.

There is also a discussion on Winclassic.net: https://winclassic.net/thread/2057/core-api

Chiron · 2025-07-05T10:40:30+0300

Thank you Martingonn!
That sounds way too alluring not to test it, if at first just on a dispensable guinea-pig system.
It would be really a great game changer!

Still... did you test OneCore API yourself?
Sorry for being tendentially a pessimist, but so many bitter experiences suggest that when something looks too good to be true, it often is...

Martingonn · 2025-07-05T21:14:35+0300

Chiron said:
Thank you Martingonn!
That sounds way too alluring not to test it, if at first just on a dispensable guinea-pig system.
It would be really a great game changer!

Still... did you test OneCore API yourself?
Sorry for being tendentially a pessimist, but so many bitter experiences suggest that when something looks too good to be true, it often is...

Yes, can confirm. I installed it and once you do, go to the Compatibility tab in an executable, then drop down and see all the options that you have aquired.