Once your console is modded (Jtag or RGH), the first "download" you need is a custom dashboard. The stock Microsoft NXE dashboard is restrictive.
Is downloading homebrew illegal?
Safety tips:
You cannot simply download a homebrew app onto a USB stick and run it on a standard Xbox 360. Microsoft’s security prevents unsigned code from executing. To run homebrew, your console must be modified in one of two ways: xbox 360 homebrew download
No longer practical unless you have an old console never updated. Once your console is modded (Jtag or RGH),