While is officially supported for owners of the game on Steam and GOG, installing it on a "cracked" version of Terraria 1.4.4.9
Leo knew the risks. He’d spent years playing the legitimate version until his laptop died, taking his Steam account credentials into the digital afterlife with it. Now, running on a salvaged rig and a "borrowed" copy of the Labor of Love update, he felt like a ghost in his own favorite game. He just wanted the mods back. He wanted the Calamity music to swell as he fought gods; he wanted the recipe browser to guide his way through the chaos. He clicked "Extract." Tmodloader For Cracked Terraria 1.4.4.9
Installing on a non-Steam (cracked) version of Terraria 1.4.4.9 tModLoader (TML) While is officially supported for owners
You cannot use the Steam Workshop version. Instead, you need the of tModLoader. Historically, this was available on GitHub (the tModLoader repository) or via the now-deprecated "tModLoader for GOG." For version 1.4.4.9, you would look for a release labeled tModLoader.2023.11.1.1.zip or similar. He just wanted the mods back
: It is normal for the installation to appear frozen during the initial setup; wait at least 5–10 minutes before restarting.
To set up TML manually for a non-Steam version, follow these general steps: Releases · tModLoader/tModLoader - GitHub