In the part one of tutorial, I will show you how to create a new virtual computer and prepare it to install Windows 8 Consumer Preview or the latest Windows 8 Release Preview.
If any file can not be deleted, then you can use the program LockHunter, which removes the active connections of other applications to that file, which allow you to change or delete file.
Sometimes you don't want your Mac OS X Mountain Lion powered computer to go to sleep, here's a nice little trick how to temporary prevent a Mac from going into a sleep mode.