How to fix Khmer text shows too small in Telegram, Line, Whatsapp, on Windows 10 PC

To fix the small Khmer font size problem in Windows 10, there are two options that will be solutions.

Option 1, you can change the setting in Windows Registry Editor. In most cases, you can change the font DuanPenh to Khmer UI. You should use Font Khmer UI in Windows 10 because it should work fine in any situation such as line spacing and style. And also, if you use the font Khmer with large line spacing, it can cause your Windows layout.

Option 1:

1. Hold Windows Key + R to open Run box.
2. Type regedit (Note: user must have Administrator privileged)
3. Navigate to : Computer/HKEY_LOCAL_MACHINE > SOFTWARE > Microsoft > Windows NT > CurrentVersion > FontSubstitutes
4. Double click on MS Shell Dig 2 >> Modify value data to your preferred font name. Eg. "Khmer OS Siemreap" or "Khmer OS Content"
5. Restart your computer

Option 2:

Don't need to follow the steps in the option 1. 

1. You just download this registry file and save it on your computer. Fix_Khmer_Font_on_Telegram.reg.
2. Double click on file (or) Right on this file and select Merge (user must have Administrator privileged) 
3. Click YES to continue and then click OK.
4. Done, please restart your computer.