Hourly limit: 500 keys
Daily limit: 3000 keys
Total of 10,000 keys available
Create account or log in
After logging in, hover over your username at the top of the page. Select "Steam Keys".
Option to receive Serial Cleaner key will be on the next page. You'll have to left click. Middle click or open in new tab goes to the DLH store. You may or may not need to disable adblockers.