I would far rather rely on legitimate software such as that which Stardock produces.
Yes, hence my reply #3 ...
Over the years there have been several 'hack' methods of 'skinning' Windows .... most commonly problematic for one reason or another... either they [unlawfully] altered MS system files or were effectively 'broken' [functionally] by each subsequent service pack/update .... and generally assistance for resolution was 'lacking' at best.
There have been a few legitimate 3rd party skinnables akin to Windowblinds but sticking with the best means sticking with WB ...