Here is a quick installation tutorial of GIMP for Windows 7.
Easy steps to follow:
1) Go to download.com and download GIMP
2) Run the setup file once the download had completed
3) Choose English as the language
4) Allow the setup to finish loading and click Finish!
Thats pretty much it guys! I know its really short and an easy process to follow, but i hope this video might have helped you, and stay tuned for my Windows Customizable Tips and Tricks series coming up soon!