You can access any blocked site easily using a tool called "UltraSurf" which was made by Ultrareach Internet Corporation to help people in China to find freedom online and access any website. This tool is now loved by million of people including me and this is because this tool is very easy to use and you can surf blocked sites without making any changes to your browser. So here is a short tutorial for using UltraSurf.
> Download UltraSurf Tool from this link and extract the file and run the exe file.
> Now you will see that your PC will be connected with a proxy automatically with UltraSurf.
> Now an internet explorer window will open automatically but you can close it and use your favorite browser.
> Now try to access the blocked site in your country. You will see that after turning ultrasurf on, you will be able to open the blocked site.
Note: If you use opera browser for web browsing, then you may open blocked sites with Opera Turbo also.
Keep visiting for more tips and tricks.