firstly, please confirm the WMV to Apple TV Converter for Mac has been downloaded and installed.If not, please directly free download it from the above and then install it.
Secondly, launch the Mac WMV to Apple TV for Mac and you will see the following friendly interface.The "Getting Started" is a clear guide. You can follow the "getting started" or do as the following description.

Step 1: Click "Add Files" button in the top of the main interface to load WMV files.
Step 2: Select Apple TV format as the output format.
Step 3: Click "Browse" button near the Output Folder to select the destination folder to save.

Step 4: Start converting automatically by clicking "Convert" button
If the conversion is over, the following dialog will pop up.

Click "ok" to finish the whole conversion and then you can directly open the converted files from the folder that you have previously setted.
With the WMV to Apple TV for Mac, you can freely enjoy the favorite WMV files with Apple TV when you walk. Have the WMV to Apple TV for Mac, your mobile life will be more convenient.
Don't hesitate to free download and enjoy it.