Self-extracting capability for 7z format.Strong AES-256 encryption in 7z and ZIP formats.For ZIP and GZIP formats, 7-Zip provides a compression ratio that is 2-10% better than the ratio provided by PKZip and WinZip.Unpacking only: AR, ARJ, CAB, CHM, CPIO, CramFS, DMG, EXT, FAT, GPT, HFS, IHEX, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, QCOW2, RAR, RPM, SquashFS, UDF, UEFI, VDI, VHD, VMDK, WIM, XAR and Z.Packing / unpacking: 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM.High compression ratio in with LZMA and LZMA2 compression.You don't need to register or pay for 7-Zip. You can use 7-Zip on any computer, including a computer in a commercial organization. Also there is unRAR license restriction for some parts of the code. Some parts of the code are under the BSD 3-clause License. The most of the code is under the GNU LGPL license. Download 7-Zip 18.01 () for Windows: Link Type Windows Size.exe 32-bit x86 1 MB.exe 64-bit 圆4 1 MB License 7-Zip is free software with open source. 7-Zip Home English 7-Zip 7-Zip is a file archiver with a high compression ratio.