Private Solutions
Your setup guide. About 3 minutes from here to in-game. Have your license key ready — it looks like KAE-XXXXX-XXXXX-XXXXX.
Firefox, Safari and phones are not supported.
chrome://extensions in the address bar and press Enter.That's the only time you do this. Updates arrive on their own afterwards.
Prefer one click? Try the one-click install. If it only shows a page of code, use the Copy Script steps above.
Open krunker.io. This box appears — paste your key and click Activate.
The page reloads itself. A green LOADED! badge in the top-right corner means you're in:
Press Insert or L to open the menu. Everything is set there, and your settings save automatically.
Other hotkeys: M overlay on/off · N lines · K wall view.
| "Copy Script" or the link only shows code | Allow User Scripts is still off. Do step 2, reload this page, and try again. |
| No key box and no LOADED badge on krunker.io | Tampermonkey isn't allowed to run scripts. Redo step 2 (Allow User Scripts + Developer mode), make sure the script is enabled in the Tampermonkey menu, then reload. |
| "Invalid key" | Check for typos — copy and paste the key exactly as you received it. |
| "This key is locked to another device" | You're on a different browser or computer than where you first activated. Ask us to reset your key's device lock. |
| "Key expired" or "revoked" | Your time is up or the key was cancelled. Get a new key and enter it in the box. |
| "Could not reach the license server" | Check your internet, turn off any VPN or ad-blocker that may block it, then reload. |
| LOADED shows but nothing draws in a match | Press Insert and make sure Enable overlay is ticked, then reload once. |
| Clicked "Play without it" by mistake | Just reload krunker.io and the key box comes back. |
Still stuck? Message us with a screenshot and we'll sort it out.