If you have a writable CD and a thumb drive, use the thumb drive, because it's much easier.

NOTE: I only tried this using a thumb drive. Here is the page where I found out how to make it work. Plug in any external USB hard drive up to 2 TB to store your Xbox. To find your Xbox 360 console’s operating system version. and what features were added or updated based in the current system update. After a lot of searching Google for a solution, I found one. Learn about the different Xbox 360 operating system versions and see all system updates, along with the changes made with each update.

I followed the instructions, so I didn't know why I got an 'unreadable disc' error. I don't have Xbox Live (which you would usually use), so I decided to update it by downloading the update from and putting it on a CD, and then putting that CD in my Xbox 360. I don't know if my Xbox 360 already supports backward compatibility (in the Xbox 360's case, the ability to play original Xbox games) for it, so I decided to update it. WARNING: Anyone asking about or sharing information related to illegal activities will be banned from Discord/GitHub/etc. Code and content are covered under a BSD license. I'm a huge Splinter Cell fan, so I want to buy or rent Splinter Cell: Chaos Theory some day, as it's the only one I haven't played, aside from Pandora Tomorrow (which is crappy because it's made by Ubisoft Shanghai, not Ubisoft Montreal like Chaos Theory and the original Splinter Cell, which are the only good ones). xenia is an open source research project for emulating Xbox 360 games on modern PCs. TO UPDATE YOUR XBOX 360, CONNECT IT TO XBOX LIVE TO UPDATE IT FOR FREE. AUTHOR'S NOTE: THIS INSTRUCTABLE IS OUTDATED. 5.) Once the update is complete your Xbox 360 will restart then boot up to the new dashboard. Use a CD or USB thumb drive to be able to play more Xbox games on your Xbox 360 - You should be ask to update before the 360 boots to the dashboard.

System update xbox 360 download