you're now ready to install Windows on the Steam Deck. The process is fairly simple, though if you've never installed Windows on a machine before

How to Install Windows on a Steam Deck

you're now ready to install Windows on the Steam Deck. The process is fairly simple, though if you've never installed Windows on a machine before, it may feel a tad intimidating. In case you get stuck during the process or want to roll back to Steam OS 

you're now ready to install Windows on the Steam Deck. The process is fairly simple, though if you've never installed Windows on a machine before, it may feel a tad intimidating. In case you get stuck during the process or want to roll back to Steam OS 

Step 1

Once you enter the Boot Manager, use the direction pad to move down to options other than the default one. Find "EFI USB Device" and press the button A to select the option. This will make your Steam Deck boot into the Windows installer. 

Step 2

Choose your region, language, and keyboard type on the Windows installer, and then tap "Next" using touch input on the Steam Deck. On the following screen, tap "Install Now." 

Step 3

If you have Windows 10 product key, you can input it on the next screen. If you don't, tap "I don't have a product key." Agree to the terms on the next page and then choose the option that says "Custom: Install Windows only (advanced)." 

Step 4

Next, you will have to delete the existing storage partitions and create a new one so that the existing operating system does not interfere with the fresh Windows 10 installation. 

Step 5

Once the storage has been formatted, select the largest drive and tap "Next." The Windows installation will begin, and you will have a freshly installed copy of Windows. 

Step 6

go to System Settings > Display and select "Landscape" under "Scroll down to Display Orientation. 

Step 7