allow Windows 7 to accept custom third-party visual styles that aren't digitally signed by Microsoft. Make Windows Vista and 7 Look Like Mac OS X Snow Leopard
: Set your taskbar to "Use small icons" in properties to mimic the thinner Apple menu bar more closely. Important Considerations
Use Classic Shell (Open-Shell nowadays). Install it, select "Classic Style with two columns," then upload a custom "Apple Menu" PNG image for the start orb. Set the menu text to "Finder."