On some versions of Windows, “My PC” is called “My Computer”. If you can’t find “My PC” on your desktop, type “My PC” into the Start window’s search bar and then click the computer monitor icon when it pops up.

On some Windows versions, the hard drive will say “OS” above it.

You may notice a discrepancy between the total number of gigabytes listed on your hard drive and the number of gigabytes that was advertised when you bought the computer. This is because a certain portion of your computer’s hard drive is used to store the computer’s operating system; therefore, that space is irreversibly used, and thus, unlisted.

You can also view your currently free hard drive space in the top-right corner of the page in the “X GB free of Y GB” section where “X” is your Mac’s free space and “Y” is your Mac’s total space.

Due to operating system restrictions, you can’t view your iPhone’s RAM usage.

Tapping the second Manage Storage on this page will open the iCloud page where you can see how much room remains in your iCloud Drive.

On some Androids (such as the Samsung Galaxy), you must first tap Device before you can tap Apps.

System - The number of gigabytes currently used by your Android’s operating system. Apps - The number of gigabytes currently used by running apps. Free - The number of free gigabytes of RAM.