Locate and delete the file named com.teamviewer.teamviewer.plist .

The "trial expired" message is often a misunderstanding. TeamViewer is permanently free for , such as helping a family member with their computer. When you install TeamViewer and select "Company/Commercial use" or "Both of the above," the software enters a 14 to 30-day trial period to evaluate its full commercial features. Once this trial ends, the software locks you out unless you purchase a paid license. A second common scenario is a "false positive" detection. If TeamViewer's algorithms suspect a free user is using the software for business purposes—perhaps due to connecting to many different computers in a short time—it will block connections with a "Commercial use suspected" warning and enforce a 5-minute session limit. In either case, the software has flagged your specific TeamViewer ID, which is generated from your computer's hardware, as ineligible for a free license.

If you were flagged incorrectly:

You are not alone. TeamViewer is one of the most popular remote desktop software solutions globally. However, its aggressive algorithm often flags personal users as "commercial," cutting off free sessions after just five minutes. This leads millions of users to search for a way to reset the trial period.

Selecting the "Commercial" or "Both" option during the initial software installation process.