On Windows Jetbrains tools PHPStorm, Webstorm, etc fonts look ugly compared to MacOS or Linux, it you want to improve font appearance, do the following:

Open Help -> Edit Custom VM Options

and add

-Ddirectwrite.font.rendering=true
-Dawt.useSystemAAFontSettings=on
-Dswing.aatext=true
-Dsun.java2d.xrender=true