Click Save . Many files that are available for downloading have been compressed so that they do not take up as much storage space or take as long to download as uncompressed files. The resulting file is called a compressed file or an archive. Compressed or archive files must be uncompressed before you can use them. The most common type of compression for Windows computers is Zip.
Zip files have an extension .zip on the filename.
One of the most widely-used programs for uncompressing Zip files is WinZip. You can scroll the list, or sort it by any field. The program has help.