Windows Media Player is perfectly available to Windows users. However, its exclusive applicability is barred to Mac users. Happily, here is a recommendation of an alternative - Joyoshare Video Joiner
that can help to fix subtitle addition on both Windows and Mac.
It's an easy-to-operate video merging software
with distinguished features. Not simply does it manage to join in bulk multiple files from same source in a lossless way but also delivers the ability to subtitle, watermark, crop, trim, rotate, flip video, and add audio or background music, extract audio from video, and many others. Besides, with wide compatibility come, it is capable of accepting dozens of media formats, including MP4, MPEG, TS, AVI, WMV, MOV, MP3, M4V, FLV, SWF, etc.
Highlights of Joyoshare Video Joiner:
Output video to any other format at 60X phenomenal rate
Merge media files in the same format with no original quality loss
Designed with two modes: high-speed mode and encoding mode
Support adding multiple types of subtitle files to any video in easy steps
Various editing tools: subtitle, watermark, effect, trim, crop, background music, etc
Step 1 Drag video to Joyoshare Video Joiner
First of all, you need to install Joyoshare Video Joiner on your personal computer. After running it, click "Open File" icon at the bottom left of the first window to import the video to be subtitled. Alternatively, directly drag the video and drop it to the specified position.
Step 2 Start the encoding mode for subtitling video
Next, go forward to the "Format" option. In a new window, be sure to make the encoding mode enabled and then choose an output format. If necessary, you are allowed to touch a gear icon at the top right of the chosen format to customize codec, resolution, bit rate, frame rate, sample rate, etc. for the export video.
It is important to know that only in the encoding mode can the edit function be activated, thereby you have the permission to insert subtitles to your video. The high-speed mode is a loss-free mode, which is designed to combine files with the same codec into one with the original quality kept at 60X quick speed.
Step 3 Edit and add subtitles to video
After the customization of output format, tap "OK" to bring yourself back to the main interface. Now, locate the "Edit" button beside your imported video file to access the editing screen. There are various editing tools. But for adding subtitles, please head to the "Subtitle" tab. In the "File" section, hit on "..." icon to import the prepared subtitle file. Like this, the subtitles will be automatically inserted into your video. You can preview the result in the right window. If there is any dissatisfaction, you are free to adjust the position, margin, scale, and transparency of the captions or click a "T" icon to modify font, color, style, size, etc.
Step 4 Output and save the subtitled video
Last of all, you are only required to tap on the "Convert" button in the lower right corner of the beginning screen to output the video with subtitles added. If you don't change the output path, the final video will be saved in a "converted" folder by default.