Restore win8 boot press F8 to enter advanced boot mode

  
                                    

If you want to restore Windows 8 boot and press F8 to enter advanced boot mode, you can refer to the following method.

Open a command prompt as an administrator and enter

bcdedit /set {default} bootmenupolicy legacy

Press F8 at boot to enter advanced boot mode if You want to restore the original startup mode of Windows 8, just replace the above command with the following.

bcdedit /set {default} bootmenupolicy standard

This method also applies to windows 8.1.

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