Even if you find a public “leaked” product key (e.g., MT701-12345-ABCDE...), WIRIS constantly updates their blocklist. After a few weeks or months, the software will “phone home” and deactivate itself, leaving you unable to edit equations at a critical deadline.
A: You likely installed an expired trial or a volume license version (e.g., university lab edition) that requires a license server. Contact your IT admin. product key mathtype 7
Once you have your valid key, store it safely: Even if you find a public “leaked” product key (e
Contact WIRIS support directly. Explain that you lost a legitimate license key for MathType 7. Often, if you provide a proof of purchase (bank statement, old email with order ID), they will resend the key for free. If not, they may offer a steep discount (~40% off) for a new MathType 365 license. Recover a lost key after purchase: