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How to Clear System Cache on PC or Mac

This wikiHow teaches you how to clear temporary files from a Windows or macOS computer. You can accomplish this in Windows by deleting the files from the Temp folder, and on macOS by rebooting the computer. Press . This opens the Run...

Table of Contents
Method 1 of 2:

Windows

  1. How to Clear System Cache on PC or Mac Picture 1
    Press ⊞ Win+R. This opens the Run dialog.
  2. How to Clear System Cache on PC or Mac Picture 2
    Type temp and press ↵ Enter. A permissions warning will appear.
  3. How to Clear System Cache on PC or Mac Picture 3
    Click Continue to grant permission. A list of cached files will appear.
  4. How to Clear System Cache on PC or Mac Picture 4
    Select all files in the right panel. To do this, click and drag the mouse across all of the files until they're all highlighted.
  5. How to Clear System Cache on PC or Mac Picture 5
    Press Del. It's usually at the top-right corner of your computer's keyboard. This clears your system's temporary file cache.
    1. You may have to enter your administrator password to delete the files.
Method 2 of 2:

macOS

  1. How to Clear System Cache on PC or Mac Picture 6
    Close all open programs on your Mac. Although there is no safe way to delete the system cache while your Mac is running, rebooting the system will clear the it automatically.[1] This method will teach you how to restart the computer safely.
  2. How to Clear System Cache on PC or Mac Picture 7
    Click the
    How to Clear System Cache on PC or Mac Picture 8
    menu. It's at the top-left corner of the screen.
  3. How to Clear System Cache on PC or Mac Picture 9
    Click Restart. Your Mac will now shut down and restart, deleting the system cache in the process.
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