Select the check boxes to pick the file types you want to delete and press OK. Select Previous Windows Installation(s) check box to remove data from any previous installation of Windows. Now go back to the Computer in File Explorer and select the drive which you have cleaned and Refresh.
Uninstall desktop programs you don’t use: Use this feature to uninstall all those apps and programs you no longer need or use. To uninstall desktop apps, go to Start > Control Panel > Programs > Programs and Features > Uninstall a Program. When prompted select the programs or apps you don’t want any more.