Advice on your issue from #quitpic:

14:23 <REDACTED> you have to enable the "show hidden folders" in windows, under their view options

14:24 <REDACTED> each version of windows is slightly different but it is usually press alt, select tools, folder options, view, and the radio next to show hidden files and folders and then ok

14:24 <REDACTED> then you close and reopen the zip file

14:30 <REDACTED> oh, and sometimes the first download is corrupt.

14:30 <REDACTED> I've had to help too many people at work with this problem plus a person or two on this channel