1. rename shell32.dll to shell32.old in %SYSTEMROOT%\system32\dllcache 2. rename shell32.dll to shell32.old in %SYSTEMROOT%\system32\ 3. Copy your modified shell32.dll to %SYSTEMROOT%\system32\ This should work.
I think he means do you have a 32 or 64 bit CPU, and wich version of longhorn do you have (32/64). If you have the right verion try to install it with daemon tools, it worked for me.
I installed it yesterday and i can tell you that it is more stable then 4074, memory leak is almost gone (uses ~ 400 MB though). But i must say that 4074 looked better than this release. PS. I made some READ