
There is another more difficult way to extend the TeamViewer usage by resetting TeamViewer ID.
Download and install the TeamViewer free edition (press “Download for free” on TW site). Delete the following registry key using the Registry Editor (regedit.exe): Computer\HKEY_CURRENT_USER\Software\TeamViewer and Computer\HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\TeamViewer.
Then delete the directory C:\Program Files\TeamViewer.After removing the program, press Win+R > %Appdata% 0 > OK.
Go to Add or remove programs, find TeamViewer in the list and select Uninstall. If the commercial version of TeamViewer is installed, you need to remove it, clear the registry and folders from the remaining entries and files, and install the free version of TeamViewer. If one user uses a free one and the second uses a commercial one, then the commercial version will consider the use of TeamViewer in the commercial purpose. Make sure that you and the users you are connecting using the free version of TeamViewer. If you use TeamViewer for personal use only, here’s how to fix the TeamViewer trial expired problem. Paid (commercial) version - the number of connected PCs and the duration of the sessions are unlimited. Free version (non-commercial use) - designed for home use and connecting to a small number of PCs. TeamViewer Versions: Trial Expiration Problem You can see your TeamViewer ID on the main screen when running the application. The only way to unblock the limitation is to reset TeamViewer ID (or purchase a license ). In this case, you can try to reinstall TeamViewer, but that won’t help you. The trial version TeamViewer expiration message usually appears after a couple of days of use. Your session will be terminated after 5 minutes. Please note that the free version may only be used for personal use. This software seems to be used in commercial environments. The commercial usage message in TeamViewer v14 looks as follows: If the TeamViewer servers decide that you are using the utility for commercial purposes to connect to multiple customer computers, a warning window may appear: If you are using a free version of TeamViewer to connect to different computers (commercial purposes), here is a high probability that your remote connections will be limited on the TeamViewer server to a value not exceeding five minutes, after which the connection will be terminated. It allows remote users to perform a remote connection to your computer and vice versa. After installing TeamViewer and first connection to the network, the program receives a unique identification number (ID).