01840-099853

    Account & Key Checker

    Verify product keys or Office 365 accounts — instantly

    How It Works

    1. 1. Paste your product key(s) in the format XXXXX-XXXXX-XXXXX-XXXXX-XXXXX.
    2. 2. Separate multiple keys with commas or new lines (max 50 per check).
    3. 3. Click "Check Key" — we instantly verify each one.

    100% free for logged-in users. No credits required.

    Error Codes

    0xC004C008: Get confirmation on: Confirmation ID
    0xC004C060: Key blocked
    0xC004C020: Get your IID and set CID using CMD
    0xC004C003: Key blocked
    Unsupported: Contact us to add your key type to system
    0xC004C004: Fake or invalid key