WinRar is a data compression tool that enables users to transfer, share, or archive large files into a compressed format. The program is Windows 10 compatible and a 40 day free services trial is available upon download. The program is available for a free 32-bit version, or the paid 64-bit version. zip format, and can be compressed, encrypted, archived, and shared. Winrar is a file compressing tool that enables users to transfer files easily.