You can get any windows desktop application on your Windows RT tablet if you follow the below steps, it wont take more than 5 minutes for an average user, so lets keep it short and simple instead of stuffing this page with useless words.
- You will need first to download winows RT jailbreak tool from here.
- Extract all files.
- Run runExpoit.bat and choose to jailbreak.
- Follow on screen instructions.
Here is another method if you fail to run applications (Some wont work because of your processor, if it's ARM based I can't guarantee which applications would work).