Apple has always been known for it's looks and finish. The themes and fonts that are available on Apple Macintosh's OS are really very elegant and beautiful. You can also have the looks and feel of the Apple Macintosh OS on your Windows 7 system using these four themes.
1. Mac Theme for Windows 7 - (Download)
2. Leopard Theme (windows Vista) - (Download)
3. Mac OS Theme - (Download)
4. OS X Theme - (Download)
If you are looking for installing an Apple theme for one of your Linux systems then you might want to check this: Apple Mac OS Theme For Ubuntu, Fedora, SUSE [Linux]. Here are a few more Windows 7 themes.