To convert M2TS files to WMV on your Windows computer, you can use FVC Free M2TS Converter. It is a M2TS batch converter that can convert M2TS files to WMV, MOV, MP4 and other video and audio formats in bulk. The built-in video editing tools are also free to use. You can edit and customize M2TS video files before converting. Here're the main features of the free M2TS to WMV converter software.
Key Features:
1. Convert M2TS to WMV on Windows 10/8/7/Vista/XP for free.
2. Support M2TS to WMV batch conversion.
3. 50x faster conversion speed.
4. Compress, merge and apply other video effects to M2TS files.
5. Add special themes to your M2TS files, such as family, birthday, holidays, etc.

Step 1: Free download, install and launch FVC Free M2TS Converter. Click Add File(s) to import more than one M2TS video file.

Step 2: In the output format list, browse and set WMV as the output video format.

Step 3: If you want to edit a M2TS video, just click Edit on the top. Then you can edit M2TS title, author and time in the opening and ending part within FVC Free M2TS Converter.

Step 4: Click Convert to convert M2TS to WMV for free on Windows.

Convert M2TS to WMV on Mac for Free: https://www.free-videoconverter.net/convert-mts/convert-m2ts-to-wmv/