Please tell me the steps to do so or if you can't because it's the free version?
Teamviewer version: 15.23.9
OS: Windows 10 64bit
Thank you for reaching out to the community.
A feature of permanent passwords is available to use for all TeamViewer users!!
Here are the steps:
Additionally, it is possible to set the passwords for the TeamViewer option setting page itself. This feature can be used to prevent unintentional setting changes.
You can find this from the Advanced tab --> TeamViewer options.
Regarding passwords, you may find more useful information from our knowledge article, please kindly check the article - All about passwords.
Hope this would be helpful.
Please let us know if you have any questions or concerns, so that we may assist you further.
Japanese Community Moderator / コミュニティモデレーター