If you are searching for a today, you are likely facing one of three scenarios:

For personal use, a single-user license allows installation on up to two computers (e.g., work + home) as long as you don’t use both simultaneously. For business, each user needs their own license.

: The exception remains for physical boxed copies, which still include a unique 35-character license key printed inside. How to Find Your Licensing Info

: Claris no longer provides security updates or technical support for this version. Compatibility Risks

Trial versions of FileMaker Pro 19 do not require a serial number initially but expire after 30–45 days. You must enter a paid serial to continue.