If the specific build is no longer on the official site, verified third-party mirrors often maintain version histories:

The official PCSX2 Downloads page is the safest place to get the latest builds.

Use the search or scroll through the tags to find the specific build number you are looking for.

If you specifically need build 2731 , click the "Show Previous Versions" button on the official download page to browse the recent history of nightly releases. 2. GitHub Archive

Look for the asset labeled with or simply "windows-x64" (which typically includes AVX2 optimizations in the 1.7 series). 3. Alternative Archives

To download (or a similar nightly build) for Windows 64-bit with AVX2 support, you should use the official channels or specialized archives, as older nightly builds are eventually cycled out of the main download page. 1. Official Nightly Downloads