What's WMV?
Windows Media Video (WMV) is a format developed by Microsoft for Internet streaming and watching videos on a PC. This is a type of video that can be played on your computer, portable media players like Zune, Xbox 360, Creative Zen, etc and can be edited by Windows Movie Maker, The latest version of WMV is WMV10.
How to play WMV in Windows and Mac
WMV files play best in Windows Media Player and Other Windows compatible media players that support the WMV format are DivX, Winamp, VLC (VideoLan Client), and Power DVD.
For Mac users, OS X doesn't come with any software that can play WMV files, but there is software you can download to get the job done. There are three of the most common choices for playing WMV files on Mac, that is, Windows Media Player for Mac, Flip4Mac, and VLC media player.
Do you have lots of WMV files and want to turn WMV into other files like AVI, MPEG, FLV, MP4, MOV, MKV, etc? I'll show how to do this by using WMV Converter in a few easy steps. Here's how to convert WMV Video files on Win, if you are Mac users, go to part 2 for Mac solution.
The tool we will need:
A WMV Converter – Video Converter Ultimate (Windows 7 compatible)
A Mac WMV Converter - Video Converter for Mac (Snow leopard compatible)
Video Converter Ultimate is an amazing WMV file Converter that can convert WMV to MP4, MOV MKV, 3GP, MPG, FLV, HD Video Formats such as HD H.264, WMV HD, etc in Windows, plus, it's also very easy to use, it makes WMV conversion routine so simple as 1-2-3.
Free Download Video Converter Ultimate, install and run it, then click "File" to load WMV Video files from your computer to the software.

Select an output format which you want to convert to from the Profile file, the default settings will work great.
Click "browse" to choose the folder where you want to save your converted WMV file.

Note: Customize Setting and Video DIY (Trim, Clip, Effect, etc) are available and optional in Video Converter
Click "Convert" to begin the WMV conversion. After encoding, you can click "Open Output" to access the converted WMV videos directly.
If you are a Mac user, you must be at a loss what to do with WMV files on Mac, like how to import WMV files to iMovie, QuickTime, iTunes for iPod/iPhone, and how to play WMV files on Mac. Don't fret. to solve these problems, all you need is a highly compatible WMV Converter for Mac - Video Converter for Mac. It does not only convert WMV files to all pop video formats including MP4, MOV, WMV, FLV, AVI, ASF, MPEG, VOB, MKV, and HD video, but also convert WMV files for multimedia devices like iPod, iPhone, iPad, PSP, Android Phone, Apple TV and Apple software like iMovie, Final Cut Pro, iDVD. Easy, fast and stable, this smart WMV Converter for Mac makes the conversion of WMV files a breeze. And you'll see how it works.
Free download WMV Converter for Mac, install and launch it.
1. Simply drag-and-drop your WMV files to this WMV Converter Mac or go to "File" menu, select "Add Video files" to load the WMV files on your Mac.

2. Set output format for your selected files from the drop-down list of "Format". You can select "MP4" for iTunes, "FLV" for YouTube, or directly select iPod, iPhone, iPad, iMovie or Final Cut Pro as the output.
3. Click "Convert" button to start to convert WMV files on Mac.