how to access computer from internet, home, work or anywhere any location?

Wanted to connect to your PC or laptop from office or school to check the status of torrent downloads or wanted to remove virus or fix any issues in your friends computer but you are geographically separated and cannot assist without looking into his system?

LogMeIn is a desktop client that allows two or more peer computers to connect across the internet it has the basic version which is free and pro version with extended features for professional admins logMEin is very easy to install and use just download the software install it register for a free account login with your credentials and take control of any PC in the world which are connected to broad band with the help of Mouse and Keyboard its that simple.

Though windows has the inbuilt tool called remote Desktop it does not work properly if you do not have static IP and another similar tool is VNC but it consumes more cpu when compared to Remote Desktop do let us know if you know similar tools which are both free and effective