http://www.howtogeek.com/howto/windows-vista/turn-on-remote-desktop-in-windows-vista/
http://technet.microsoft.com/en-us/magazine/ff404238.aspx

 

To configure remote access, follow these steps:

  1. In Control Panel, click System And Security, and then click System.
  2. On the System page, click Remote Settings in the left pane. This opens the System Properties dialog box to the Remote tab
  3. etc.

 

 

Alternatives

Log Me In

https://secure.logmein.com/
https://join.me/ - free online sharing from LMI. a little slow, but it’s free.

 

 

Go To Meeting

http://www.gotomeeting.com/
I use this at work, where we have a corporate account.
Very nice.
But not as nice a remote connection. Where you can use the windows-key with impunity.
But d**n close.
A real account is about 4x the price of Log Me In (as of 2013.04.03)