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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: