The is the best way to experience id Software’s masterpiece. It removes the friction of downloading multiple updates and DLCs separately, giving you the complete saga in one polished package.

This "Rev 2" patch is the most recent major revision, introducing several game-changing modes and technical fixes: Horde Mode

Here is why the modding community loves the v666 rev patched version over the newer updates (v7.0+). Bethesda’s later updates broke mod support. The v666 rev patched build is considered the because the executable is unprotected and allows native mod injection.