To play a WMV file on your mac you will need a media player that supports the WMV format. VLC offers a free open-source media player that support WMV and many other media format. Use the link below to download the VLC Player. [Download VLC Player][1] [1]: http://get.videolan.org/vlc/2.2.2/macosx/vlc-2.2.2.dmg