Some of the downloads you'll find on DMS are provided as RAR (.rar) files. Like a ZIP file this is an easy was for you to download many smaller files in one easy download.

Both PC's & Macs can unzip .rar files easily using free programs.

PC users should download WinRAR.

OS X users should download either UnRAR or Stuffit Expander Free (this program will also unzip a variety of other formats).