
Someone put together a Lite version of the Windows Phone SDK which makes this easy. Next, you need to Developer Unlock your device. If you already have it, delete it, and reinstall it on the SD card. You'll also need the Preview For Developers app. Put it in your phone, and make sure you change your settings to install new apps on the SD. One prerequisite is that you have a micro SD card.

This tutorial is not mine!!! The credit for this goes to user Brad Herr.
