Split wmv into stems

Download and install the latest version of Filestar.
Right click on one or more Wmv file(s) on your desktop and select Convert with Filestar.
Type split into stems in the search box.
Press Split.

What is .wmv?

Name: Windows Media Video
Extension: .wmv
Format: Binary
Category: Video
Developer: Microsoft
Description: A WMV file is a video file based on the Microsoft Advanced Systems Format (ASF) container format and compressed with Windows Media compression. It contains video encoded with one of Microsoft's Windows Media Video (WMV) proprietary codecs and is similar to an .ASF file.
MIME Type: video/x-ms-wmv
Sample: sample.wmv
Wikipedia: .wmv on Wikipedia