Help with what? You told us your problem, we told you the solution. To downgrade, just download the relevant recovery image (they're all linked on another thread, possibly in the Surface forum, search is your friend) and set it up on a bootable flashdrive (there should be instructions) and then reboot the Surface using the option to boot off external media (again, there should be instructions and if not, search is your friend).
Win8/Windows RT projects:
List of desktop apps for hacked RT devices
Native Access WebServer and Libraries
WP8 Interop Unlocks
Storage Cleanup tool
XapHandler, Root Webserver, OEM Marketplace XAPs, Bookmarklets collection (Find On Page), Interop-unlock hacks.
Do not private message me with questions that should have been posted on the forum!
Not only are you wasting your time - I'm not going to bother writing an answer to such a question for only one person - but I will probably block you from PMing me in the future as well.