If you mean "Visual Styles" by saying "Themes", the extensions of windows 7 and windows 8 visual styles are different. That makes it almost impossible to install windows 7 visual styles on windows 8. There may be other alternatives for it.
Because windows 8 themes are basically still windows 7 themes, they just have windows 8 graphics as the background colour. Thier coding is still the same.
Yes, most of them will work.
Get a USB Flash Drive and get files from Windows 7 and transfer to Windows 8.
Asphalt 8 will not be able to run on Windows 7. It can only run on Windows 8 and Windows Phone 8.
No. Windows themes only work on specific versions of Windows.
There is no Windows 8.
No windows will work on PS3. The Windows 7 is an operating system developed by Microsoft and the PS3 does not run Windows in any form of the operating system from Windows 95 to Windows 8
Microsoft Windows 8 will suceed windows 7.
Windows 7.
Windows Calender is included with Windows Vista. It is not included with Windows 7 or 8, but can be copied over to Windows 7 and 8 from Windows Vista.
Internet Explorer 8 is included by default in Windows 7.
Yes, League of Legends runs on Windows XP, Windows Vista, Windows 7, and Windows 8.