This script enhances a number of Steam Key Giveaway Sites by making certain requirements easier to complete and undo.

1. Install Tampermonkey (for Chrome) or Greasemonkey (for Firefox)
2. Go here
3. Click "Install"

By default, the script will auto-update every 24 hours. If an update adds support for a new giveaway site, then you may see a notficiation asking for permission before the auto-update can complete.