how to open password protected rar on my computer

i downloaded square block worlds off the skidrow site, nevertheless i can't open up the rar document because i can't complete surveys. . . what is the password for that? I know several rar password restoration software can open rar without password.
http://farm9.staticflickr.com/8454/7...60baa24032.jpg
I don’t know what to complete， so search yahoo and google for "open password protected rar", while i find RAR Password Recovery software can get around winrar password, i chose to try that.

Here is a guide on how to open rar file without password

Step1: Download RAR Password Recovery, then install it on your computer.
Step2: Double click on RAR Password Recovery icon to launch it quickly.
Step3: Click the Open button on the top of RAR Password Recovery main windows to load your Protected RAR archive.
Step4: Choose an attack type from 3 attacks and then define each attack setting.
Step5: Click Start button. After you finish the steps above mentioned,RAR Password Recovery will help me to open winrar without password.

I have experimented with it to assist me to open password protected rar, and thought it was was a rapid rar password recuperation software, hope in addition , it can help you.