INTRODUCTION Hey guys, in case you're new to Custom Windows Themes, here is some information that you might find useful and a guide explaining how to install and use a custom theme. If you're in a hurry, jump ahead to the HOW-TO GUIDE below. The first thing you have to understand is that Custom Windows themes apply only to Win32/classic apps that inherit the Windows UI and don't have a skinning system of their own like for example Winamp (a media player that uses its own skins) or the Microsoft Office apps (that have their own custom user interface). So in order to style the titlebar and caption buttons of UWP/modern apps (like the Settings panel, Calculator, Windows Mail, Calendar, etc.) I've created matching Curtains styles for each theme which you can find in the Matching Extras section of the included README file. If you're into Dark Themes, then you have to understand that these come in two flavors: Dark Mode compatible themes and Full Forced Dark Themes. The first category only