PC World Magazine in Germany (PC Welt) is giving away a free, legal, license to WinRAR 3.62
(which normally costs $29)
(instant) license request: https://covermount.win-rar.com/pcwelt0508/
(select Anderes Land for country - last one)
When you get the email, the download link is the SECOND url in the email.
Copy the rarreg.key it downloads into your c:program fileswinrar folder
WinRar 3.62 author site, direct download: http://www.rarlab.com/rar/wrar362.exe