Before dragging any "new" patch.dat into your folder, rename the original to patch.dat.bak . This allows you to revert instantly if the game crashes.
This is the safest and most effective method to restore the data_win32 folder and its contents without downloading suspicious files from the internet.
By following this guide, you’ll have a stable, up-to-date, and malware-free installation. Now go liberate Kyrat—without the crashes.