Because Titan Quest: Anniversary Edition is the standard (available on Steam, GOG, and mobile), these tools are designed for TQAE v2.10+.
Even the best Titan Quest Mod Menu can break your game. Here is how to fix the most common errors: titan quest mod menu
Steam Cloud saves sometimes corrupt. If you lose a 200-hour character, a mod menu allows you to rebuild your gear and level instantly. Because Titan Quest: Anniversary Edition is the standard
Disclaimer: Modifying game files can lead to crashes or save corruption. Always back up your My Games\Titan Quest - Immortal Throne\SaveData folder. Method: Using TQVault (For Item Editing)
Method: Using WeMod (Simplest for Real-Time Hacks)
Method: Using TQVault (For Item Editing)
Note: Defiler generally does not work with the Anniversary Edition.