Redeem & Check Key

Make sure your product key is valid, then redeem it in a few simple steps.

How it works

1
Paste your key(s) below — one per line.
2
We check each key's status instantly.
3
Windows: Settings → Activation → Change product key. Office: sign in at setup.office.com.

My key shows invalid?

Double-check for typos (0/O, 8/B). If it's still invalid, open a support ticket with your order number for a replacement.

Activation says 'limit reached'?

Use phone activation and our Get CID tool, or book a free tech support appointment.