Instructions
Insert an empty dual layer DVD into your computer's optical disc drive. Search for the Xbox 360 ISO file you wish to copy from your local hard disk.
Right-click the Xbox 360 ISO file and select "Burn Disc Image." Alternatively, right-click the Xbox 360 ISO, select "Open With" and click "Windows Disc Image Burner."
Click the "Disc Burner" drop-down menu and select your default optical disc drive. Click "Burn" to start copying the Xbox 360 ISO file to disc. Click "Close" once the burning process finishes.