Unplug the power cord for one minute to power cycle the Xbox.It works through the Xbox Startup Troubleshooter: After it downloads, right-click the file and select Extract all.It’s a 6GB file, so the download may take a while if you have a slow internet speed. Click “Save as” and save it to your Downloads folder. Leave everything else as-is, but rename the drive if you want.Plug your USB flash drive into your Windows PC.The first step is formatting your USB flash drive. However, the original Xbox One console may need an extra update, depending on its operating system. The process is the same for the Xbox One S, the Xbox One X, Xbox Series X, or Xbox Series S.

A Windows PC with an internet connection and USB ports.

A USB flash drive with 6GB of space, as well as NTFS format.

The Xbox Offline System Update (OSU) allows you to get the console up to date with a flash drive. But if you don’t have a good internet connection, sometimes the console forces you to use offline methods. Software updates generally come via automatic online updates.

Xbox one x offline system update