Steam only lets you activate one game key at a time, which makes activating a batch of keys very tedious. This guide supplies a quick and easy method to activate multiple keys at once.

First you'll need a browser plugin called Tampermonkey. It only takes a few seconds to get.

• Tampermonkey[chrome.google.com] for Chrome users.
  
• Tampermonkey[addons.mozilla.org] for Firefox users.

Once you've added the plugin to your browser, visit this link and click the install button:
https://github.com/Lutymane/Steam-Scripts/raw/master/Batch-Keys-Activator/Batch-Keys-Activator.user.js

You can now go to https://psteamproxy.yuanyoumao.com/account/registerkey in a browser and enter multiple Steam keys. Separate keys with a comma or have each key on a new line.



When you press continue it'll go through the keys and give you a report on each one by telling you if any were already used, not processed, or already owned.

The script in this guide was made by Luty. You can view his GitHub here.[github.com]

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