https://help.tallysolutions.com/docs/td9rel54/td9/getting_started_with_td9/installation/uninstalling_tally_.htm

Uninstalling Tally.Developer 9

You can easily uninstall Tally.Developer 9 by going to the Tally.Developer 9 installation folder in your computer

To uninstall Tally.Developer 9

1. Go to Tally.Developer 9 installation folder in your computer.

2. Double-click the Setup.exe icon.

3. Click Uninstall in the Tally.Developer 9 Installer l, as shown below: