How to completely uninstall Android Studio From your system. Follow the steps given in this post.
Step 1: Run the Android Studio uninstaller
Open the Control Panel and under the Programs, click on the “Uninstall a Program”. After that, click on “Android Studio” and Click on Uninstall. If you have multiple versions, uninstall them as well.
Step 2: Remove the Android Studio files
To delete any remains of Android Studio setting files.
go to your user folder %USERPROFILE% and delete .android, .AndroidStudio and any analogous directories with versions on the end, i.e. .AndroidStudio1.2, and .gradle if they exist.
Then go to %APPDATA% and delete the “JetBrains” directory.
Finally, go to C:\Program Files and delete the Android directory.
Step 3: Remove The SDK
To delete any remains of the SDK, go to %LOCALAPPDATA% and delete the Android directory.
Step 4: Delete Android Studio projects
Android Studio creates projects in a folder \AndroidStudioProjects, which you may want to delete. go to %USERPROFILE% and find the directory “AndroidStudioProjects” and delete