TaleWorlds does not provide standalone manual patches anymore. The company directs all users to Steam or GOG. Here are the safe, legal methods.
Most established mods are now fully compatible with or specifically require version 1.174. mount and blade warband version 1174 upd download
If you're looking for a version with specific features or updates, detail what those are, and I might be able to help you find patches or related information. detail what those are