The main window of Power Video Converter allows you to access all the main functions of the program: convert, join, split extract audio and images. 

When you want to convert a video file, you simply have to choose it, define the conversion parametres and output settings and Power Video Converter will do the job. 

Power Video Converter will allow you to join or split video files by using the same simple procedure of selecting the input files, the output settings and it is done. 

In the Actions menu you can create your own wmv profile choosing the video and audio stream settings you prefer.