| Test | 32-bit (PHP 7.4) | 64-bit (PHP 8.0) | |------|------------------|------------------| | WordPress load time | 850ms | 620ms | | API requests/sec | 1,200 | 2,100 | | Max concurrent users | ~50 | ~200 | | File upload limit | 2GB | Unlimited |
Even on 32-bit systems, you have options. PHP 8.0+ dropped official 32-bit Windows builds, but you can:
Since the main download page defaults to 64-bit, you must check repositories like the XAMPP SourceForge Archive.
: Look for files labeled Win32 . If only x64 is available for later 7.4 releases (like 7.4.33), you may need to download a slightly older version that still supports 32-bit.
php -r "echo date('Y-m-d', strtotime('2038-01-19 +2 days'));"
Finding a native 32-bit version of XAMPP with PHP 7.4 can be challenging because Apache Friends transitioned to serving in late 2019. While 32-bit versions of XAMPP can run on 64-bit systems, the reverse is not possible; a 64-bit installer will not function on 32-bit hardware. Download XAMPP