1. Step 1:
   Get Lao font by click
2. Step 2:
   Choose drive to save it
3. Step 3:
   Go to: Start > Control Panel
4. Step 4:
   Open Fonts panel
5. Step 5:
   In Fonts panel, go to: File > Install New Font
6. Step 6:
   Browse to the Lao font just downloaded and select Saysettha OT (True Type) and click OK to begin installing new font.
7. Step 7:
   Done

Double click Font Folder

Click Ok to install Lao font to your computer and use
Done