Which version of Windows do I have?
65994
Easiest way to find out if user has either Windows 7 or Vista (through telephone support)?
147378
How do I check whether my hardware is 64-bit capable in Windows?
35361
Why don’t I have the Get Windows 10 icon?
80975
How to detect my browser version and operating system using JavaScript?
151045
How can I determine the installed edition of Windows XP if the OS does not boot up?
125865
How do I know if my Windows 7 Professional product key is original?
86088
What version do I download for my Mac?
30228
How do I check which shell I am using?
18514
Where can I find the status of the released versions of Ubuntu?
30531
What version of Ubuntu should I pick?
91598
How do I see the most recent updates installed in Windows 8.1 in "installed updates"?
158384
How to check whether my OS is 64-bit or 32-bit?
71031
Can I erase my preinstalled Windows and use the serial number elsewhere?
150499
How can I tell which version of Windows 8 I am running? Standard, Pro, Enterprise, or RT?
21528
How can I find the version of Ubuntu that is installed?
69638
How do you check the windows version in Win32 at runtime?
40547
Differences between various official Microsoft Windows .iso files