I tried re-installing yuzu but cant

I tried uninstalling and reinstalling yuzu emulator because my fps keeps dropping and the game was really laggy. But now I cant seem to download and install yuzu when I deleted everything.

In order for us to provide better support, we need to see the log generated by Citra. This guide will walk you through how you can obtain the log file: How to Upload the Log File.

Check that you delete the yuzu folder in %localappdata%.