You can download any versions of 7-zip (including latest beta versions) from sourceforge: 7-zip files at sourceforge. 7-zip at sourceforge.. Winrar is a windows data compression tool that focuses on the rar and zip data compression formats for zip, cab, arj, lzh, ace, tar, gzip select for download.. 7-zip can archive and unpack files on your 64-bit os. 7-zip has a high compression ratio in new 7z format with lzma compression. "be careful where you download from".
