Reset trial time for Better Touch Tool
save your preset
kill $(ps aux | grep 'BetterTouchTool' | awk '{print $2}')
rm -rf ~/Library/Preferences/com.hegenberg.BetterTouchTool.plist
rm -rf ~/Library/Application\ Support/BetterTouchTool/
rm -rf /Applications/BetterTouchTool.app
And now you can install it again!
brew install --cask bettertouchtool