hi there! welcome to s4s! what are you interested in making? and instead of blender 2.76, i suggest you get blender 2.70. here is blender 2.76, here is blender 2.70. the reason why i suggest you use 2.70 instead is because it works better with s4s. and here's paint.net
If you are having problems seeing the CAPTCHA, please clear your browser's cache and cookies and ensure that you do not have any browser addons or extensions that interfere with the display of the CAPTCHA. Then, close the CAPTCHA window and click on the register button to open the CAPTCHA again.