So tested and used on windows 10
the conclusion is this is some seriously fine software
You can customize just about everything. don't like which keys are showing? no problem. don't like where they are at? no problem. color, border, width, height, what it smells like, all customizable.
i haven't tried to to change this yet, but the only thing i might not be able to customize is replacing the mouse button "LMB" with an icon instead. but in the end i can live with that considering the endless range of possibilities
in my video using OBS studio as far as i can tell there is no lag, but i am using a medium-high range gaming desktop.
i look forward to his upcoming C# version, however long it may be