How to Remove Onetastic Pro or Dev License
If you want to remove Onetastic Pro or Dev license, find the following file and delete it:
%appdata%\Onetastic\license
Once the file is removed, Onetastic will automatically switch back to licenseless mode and you can
activate a new license by following the activation instructions. If your question isn't answered, send an e-mail to support@getonetastic.com.