How to add *.srt subtitle file to video?

Step1.Launch Video Watermark Subtitle Creator, you will see the following main interface.
Click Add ,you can Import one or more video clips into list.

Step 2:add *.srt file to vidoe.
Click Add Subtitle File.
Step 3:add subtitle to video.
Click Watermark ,and then Click Add Picture .Ok,go on

Step 4:preview at design time, so the video’s watermark and subtitle effects can be previewed at any time without conversion.
Click play(preview) ,and than click .

Step 5:Ok, Click Run