In this guide we will explain how to convert MKV to AVI WMV MPEG MP4 VOB DVD with iSkysoft MKV Converter(http://www.hd-dvd-ripper.net/video-converter.html#139). It includes 2 parts.
Part1: some knowledge about MKV video format
Part2: how to convert MKV to AVI WMV MPEG MP4 VOB DVD and add subtitle to MKV

Part1 some knowledge about MKV video

What’s MKV video format?
An MKV file is a Matroska file, the Matroska Multimedia Container is an open standard free Container format . It is similar in conception to other containers like AVI, MP4 or ASF, but is entirely open in specification, with implementations consisting mostly of open source software. Matroska file types are .MKV for video (with subtitles and audio), .MKA for audio-only files and .MKS for subtitles only.

How to play MKV files on Windows?
In principal you can play MKV files on almost every Mediaplayer on Windows if you have the latest CCCP playback pack from Matroska Download Page installed, as most of these players are based on Microsoft DirectShow (TM).

Part2 how to convert MKV to AVI WMV MPEG MP4 VOB DVD and add subtitle to MKV?

Things you will need
MKV video
MKV Converter
Seperated subtitle in srt format

Get Start:
1. Download a iSkysoft MKV Converter(http://www.hd-dvd-ripper.net/video-converter.html#139), install and run it

2. Put your MKV subtitle in the same folder with MKV video and name as the MKV.
ie. D:\Movie\chd-ntbos-bdrip.MKV D:\Movie\chd-ntbos-bdrip.srt

3. Then select “Add” button to load the MKV video files, this MKV Converter will detect your subtitle and add it automatically.

4. Click the "Convert to" drop-down button to choose the output formats;
Click the "Target Path" button to find the destination folder for output file;

If you have a lot of MKV videos taken on holidays, festivals, vacations, you may run into the problem of saving these videos or sharing them with your friends. Wouldn’t it be a good idea to burn them to DVDs? In addition, making vacation and family DVDs will be taken a lot fun.DVD Creator for Mac is the perfect solution for Mac computer users to burn MKV files to DVD. It has very high output quality and provides users with a customizable DVD menu.

http://www.aimersoft-mac.com/articles/how-to-burn-mkv-to-dvd-on-mac.html...
You should Download the Mac MKV to DVD Burner before creating the DVD, Then the following guide will guide you how to create MKV movie to a DVD.

Step1. Create MKV Slideshow

Click the 'Add' button to add the video files you want to burn. The added videos will be shown in thumbnails in the right pane. You can sort the order of the added video files by drag them in the pane. Click the Add Slideshow button (the first button from the left above the storyboard).

Step 2: Edit Video (Optional)

If you want to edit a MKV video, you can select the file by clicking on it, and click the Edit button (the first button from the left). Then you will find two options to edit it:Effect, Trim and Crop.

1) Effect Function

The Effect function lets you set video brightness/saturation/contrast and apply a video filer. If your video has lines across the screen, you can select the Deinterlace option to remove the lines.

2)Trim Function