WinRAR is the world's most popular archive manager. It can unzip rar, zip, 7-zip, ace, arj, bz2, cab, gzip, ISO, jar, Lzh, tar, uue, xz and z file formats. For More details please visit official site of Winrar.
Official Home Page: http://www.rarlab.com/
==> Install the Program by 'winrar-521b2-32bit' or 'winrar-521b2-64bit'
==> Copy "rarreg.key" & Paste it to "C:\Program Files\WinRAR"