Please tell us why you are uninstalling SWTDO to help us improve it. You can select multiple reasons and add a written explanation.
If you are simply reinstalling, select “I want to reinstall” and submit the form. Upgrading does not require uninstallation; simply install over the existing version at the same path.
How to Register a Trial Account by Email
https://swtdo.com/13196.html
Backup location for the original Solidworks system settings:
EnvCheck → Local Personal Files → Open
Uninstallation is not required to upgrade TDO
Simply install the new version over the existing installation directory