To free up space if your device runs slow or crashes/resets, apps freeze when running them, or you can't save media, view this info.
If your device isn't running Windows 10, refer to the Windows 8 instructions.
From the Home screen, navigate: Settings icon (located in the lower-left) > System.
If the Windows Settings options are not visible, tap or click the Settings Home icon (located in the upper-left) to go to the Settings home page.
Alternatively, press the Windows+C keys ( +C) located on the physical keyboard (if available).
From the left-pane, tap or click Apps & features.
If not available, tap or click Home (located in the upper-left), then start from step 1.
From above the apps list, tap or click "Show content from all drives" dropdown menu,then tap either "This PC" or "Secure Digital starage device".
From above the App sizes section, view the free space.