Typically muisetup.exe , found within the MUI ISO images or extracted folders.
As of 2025, Microsoft no longer distributes these files. If you are a company with an existing VL agreement, you may still have access via the . For personal retro computing, you may need to source from archival projects like The Internet Archive (search "Windows XP MUI Polish CD"). windows xp mui pack pl exe
: Launch MUISETUP.EXE from the installation media. Typically muisetup
If your goal is simply to have a Polish OS, modern Windows versions have downloadable language packs via Settings. Legacy XP MUIs are only for retro computing or industrial hardware that cannot be upgraded. windows xp mui pack pl exe