If you actually have a commercial license but see "Trial Expired," it's likely because you aren't logged in. in the upper left corner of the app.
If you need immediate access and want to try a manual reset, you must scrub your system of all TeamViewer identifiers. teamviewer reset trial period top
Desperate, he bought a legitimate TeamViewer license. But the damage was done. His reputation as “TopReset” spread to the wrong people — TeamViewer’s abuse team had logged his IPs and flagged his name across forums. If you actually have a commercial license but