Change Subtitle Font, Font Size, Colour, Position in Daum PotPlayer
By Default the Font for subtitle on Daum PotPlayer is Segoe UI
The Font Size is 18.
The default subtitle position is the lower part of the screen( that is below the video)
In order to change the Subtitle Font Type, Font Size, Font Colour and position of subtitle. Please follow the instruction listed below
1) Launch the Daum PotPlayer.
2) On the lower right hand corner (Where the orange box in the image is), Click on Open / Hide Control Panel OR Press F7 on your keyboard to go to Control Panel. 
3) A window Control Panel will open 
4) On the top menu, Click on Subtitle 
5) There you will see the Font, Font Size, Position (Up, Down, Left and Right)
6) To change the font, Click on Font and you could also change the size.
7) To change the position, Use the Up button to move subtitle up, Down to move the subtitle down, Left to move the subtitle to the left position and right to move the subtitle to the right position.
Hope with this, you have been to learnt Change Subtitle Font, Font Size, Colour, Position in Daum PotPlayer.
Please share and like below, also comment below for any problem encountered. Thanks
