Downloading a game
1. Download the lua file
- Open Manifestor.cc
- Search for the game you want to add to your Steam Library for free
- Click Download
2. Open SteamTools
If you haven't already, open SteamTools and a gray floating Steam icon should appear.
If the floating icon didn't appear
A gray/white Steam icon should've appeared in your taskbar:

Right click it, and select Display Floating Window.
3. Drag the lua file onto the floating icon
Congrats!
If you've followed all of the steps correctly, you should now have the game in your Steam Library, available to download for free.
note
If you're having issues, check out the Troubleshooting section the FAQ