1. Install the theme?
Copy the content of Theme folder in "C:\Windows\Resources\Themes\" (Asuming that you're Windows 7 is installed on partition C)
2. Change the start orb?
Use Windows 7 Start Button Changer from the "Tools" folder to change the start orb.
Launch Windows 7 Start Button Changer and choose one of the 3 BMPs from the "Resources/Start Orbs" folder and you're done!
3. Change the ExplorerFrame?
Take ownership of ExplorerFrame.dll, make a backup of the original file and copy the one in "Resources\ExplorerFrame\" according to your OS (x86 or x64)
4. Remove the blured edges of the windows?
Use Windows 7 Aero Blur Tweaker from the "Tools" folder to remove the windows blur.