Well, I've been very harsh and strict to her until I've managed shove her in 2k's appearance(with grey bars, black wallpaper). And so, after XPx64 she's too gone... It's a pity that I can't just pull that stunt on WinX.
As much as I want this to happen, I seriously doubt Microsoft would make it open source, let alone releasing it as a free software.
I had a giggle on Reddit a few days ago when someone shared a screenshot with the watermark on it that elicited the response "activate your Windows" and his response was "Windows is free now, Mircosoft just wants you using their product"