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As far as I know only Windows 8 and Windows 8.1 were released before Microsoft jumped to Windows 10.
There are many versions of Windows available for laptops today. Most laptops run on the latest versions of Windows (currently Windows 8). Many laptops also run on Windows 7.
Yes. Java supports Windows 8 (including previous versions Windows).
No. Windows themes only work on specific versions of Windows.
the two popular version's of windows in 2012 windows 8 and 7
yes a printer will work on all versions of windows and macs
If you already have Windows 8, you should upgrade to 8.1 as it offers the latest features and is viewed as more user friendly than previously. If you do not already have Windows 8, look at the changes from previous versions of Windows to Windows 8 and decide if its right for you; many people still prefer Windows 7.
All versions of Windows would be used in Canada, like in any country. Many people would be using Windows 8. Many would still be using Windows 7, many using Vista, many using XP and so on.
Nero 8
All versions of Windows to-date have been made by Microsoft.
a theming pack for earlier versions of the windows operating system, making it look like the windows 8 interface through interface tweaks
Windows 8 does have the ability to launch applications in compatibility modes which support older Windows versions.