If you own the game on Steam, use the Depot Download method above. If not, buy the current version on sale, then request a rollback via GOG or Steam Beta branches. Avoid shady “direct download” websites that bundle malware.
Since this is an older version, it is typically accessed through community-maintained repositories: The Ultimate Bendy Archive : Available on Bendy And The Ink Machine 1.3.1.3- Download
Free zip files from untrusted forums often contain trojans, spyware, or crypto-miners. If you own the game on Steam, use
Check alternative verified desktop storefronts for seasonal discounts on the complete edition. Mobile Platforms (iOS and Android) buy the current version on sale