Dual-boot Windows 8?

penguin_pam

I currently have Windows 7 Home Premium, and I'm thinking about upgrading to Windows 8. Is it possible to use the Upgrade to dual-boot the two versions, or will the upgrade have to overwrite Windows 7? If it overwrites, is the process reversible to get Windows 7 back if I decide I don't like 8?

Originally asked by Niet the Dark Absol on Stack Exchange (superuser) (CC BY-SA 3.0).

uphilltech

Great question — answering as the UphillTech team:

Yes, it is possible. Do the following: Run the Upgrade Assistant and buy the product key. When it asks you to install, select Install by creating media . Create the Windows 8 installer by using a USB flash drive or a DVD. Boot the flash drive/DVD which contains the Windows 8 installer. When it asks you to upgrade or do a clean install, choose Custom . Create a new partition and install Windows 8 in it. Now you can enjoy both Windows 7 and 8. If you don't like Windows 8, you can just delete the new partition that you created. Also, you need to create a new partition on the internal drive. You can't install Windows 8 on an external drive that is connected through USB. The setup just doesn't...

Full answer by Elmo: https://superuser.stackexchange.com/a/494866 (CC BY-SA 3.0).

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