(Note: Always scan downloaded files with an antivirus program before installation.)
Once installed, you don't "type" these symbols like regular letters. Instead: tab and click More Symbols KFGQPC Arabic Symbols 01 from the font dropdown. Choose your desired expression and click kfgqpc arabic symbols 01 font free download install
The writer realized this wasn't a standard font where you type "A" for "A." Instead, they used a KFGQPC Symbols Glyph Table to see which keyboard keys mapped to which expressions. (Note: Always scan downloaded files with an antivirus