Installing font in photoshop can be done by simply download font and install it on windows.

1. Download the font you want to install
2. To download font you can google it or go to dafont.com,
3. Open .zip file, double click font file (with .ttf extension)
4. Choose yes, when installation window comes up
5. Check installed font on control panel > appearance and personalization > font
6. Run Photoshop
7. Check installed font in font option

This font will also appear in other program that enables us to write alphabet such as word processing aka MS WORD and MS Excel, enjoy 🙂