You should copy the the Themes directory into the C:\Windows\Resources directory
Use SecureUXThemeTool by namazo or UltraUxThemePatcher by mhoefs

You must put themeres.dll into system32 for the panes to take effect. 

Basic theme: use BasicThemer5 (https://github.com/arukateru/BasicThemer5) set it as a scheduled task to run with highest privleges on your user accoutn
Classic theme: use SimpleClassicTheme (make a restore point first because it may change your fonts. if you don't want that, use SimpleClassicThemeTray from winclassic.boards.net and RetroBar)