NT4.5
There have been thousands of versions of Windows API. Different versions have been released with each new Windows operating system and during the course of it's lifetime, each edition is subjected to many hundreds of updates.
All versions of Windows to-date have been made by Microsoft.
If you are talking about versions. Ultimate is the best one you can have. Ultimate supports the most things.
Which of the windows versions OS do not have Device Manager?
There 3 versions which are windows professoinal,home professional and media centre.
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.
The most commonly used versions of MS Windows are: Windows 3.1, Windows 95, Windows 98, Windows ME, Windows NT, Windows 2000, Windows XP, Vista, and soon - Windows 7!
There 3 versions which are windows professoinal,home professional and media centre.
All versions of Excel should work with all versions of Windows.
Windows 3.1 would have been installed on top of a standalone version of MS-DOS. All standalone versions of MS-DOS used FAT12 or FAT16. It is possible to run Windows 3.1 on top of later versions of MS-DOS with a FAT32 file system, but this would have been extremely uncommon.
Windows Vista
Windows XP was released by Microsoft in August 2001. There are two versions of Windows XP. One is Windows XP Home and the other is Windows XP Professional. There have been four versions of XP that have been released. Mainstream support for Windows XP stopped on April 14, 2009.