How to re-enable legacy Windows boot options “F8” menu, including safe-mode
Windows 10 disables the traditional Windows F8 menu which allows a variety of options upon boot. In order to re-enable the classic or “legacy” Windows boot menu options you must execute the following with Administrator Privileges:
bcdedit /set {default} bootmenupolicy legacy
or use the following if booting from a Windows 2010 ISO in recovery mode
bcdedit /set {default} bootmenupolicy legacy device /store C:\Boot\BCD
See the screenshot below, of the menu now available on boot, when pressing F8.
In order to revert the setting back to normal run the following:
bcdedit /set {default} bootmenupolicy standard