Yeah, Windows/Mac/Linux is what I was looking for. I haven't actually used Windows 8, unfortunately. On Win 7, if you right-click on a folder, one of the options is "Send to" which opens a list of things, including "Compressed (zipped) folder". That's what you're looking for.
mangled zombie corpsesunusual resources.mangled zombie corpsesunusual resources.Here's a tutorial: http://windows.microsoft.com/en-us/windows-8/zip-unzip-files
I hope this helps, and remember next time to try a Google or a forum search!
mangled zombie corpsesunusual resources.