Click "System"

Select "Apps & features"

Scroll down to "Disk Cleaner" and single-click it to highlight it

Click the "Uninstall" button

When you see the warning that reads "This app and its related info will be uninstalled", click the "Uninstall" button again.

Drag your mouse either to the extreme right upper or lower corner of your screen to bring up the Windows 8 sidebar functions

Drag your mouse up or down in a straight line and select "Settings" and single click

Choose "Control Panel"

Select "Programs" then "Uninstall A Program"

Scroll down to "Disk Cleaner" and double-click it

When prompted, "Are you sure you want to completely remove Disk Cleaner and all of its components?" click the "Yes" button

Click the Start button (a blue circle containing the Windows logo located in the lower-left-hand corner of Windows) then select "Control Panel"

Under "Programs", click the "Uninstall a program" link

Scroll down to "Disk Cleaner" and double-click it

When prompted, "Windows needs your permission to continue" click "Continue" button

When prompted, "Are you sure you want to completely remove Disk Cleaner and all of its components?" click the "Yes" button

Click the Start button (a blue circle containing the Windows logo located in the lower-left-hand corner of Windows) then select "Control Panel"

Double-click "Programs and Features"

Scroll down to "Disk Cleaner" and double-click it

When prompted, "Windows needs your permission to continue" click the "Continue" button

When prompted, "Are you sure you want to completely remove Disk Cleaner and all of its components?" click the "Yes" button

Click the Start button (located in the lower-left-hand corner of Windows) then select "Control Panel"

Double-click "Add or Remove Programs"

Scroll down to "Disk Cleaner" and click it once to highlight it

Click the "Change/Remove" button

When prompted, "Are you sure you want to completely remove Disk Cleaner and all of its components?" click the "Yes" button