Windows
Windows 8 or Windows Server 2012 - On the Start screen, type Computer, press and hold or right-click Computer, and then tap or click Properties. Then look under Windows edition for the version.
Windows 7 and Windows Server 2008 R2 - Click Start or the Windows logo right click Computer then click Properties. Look in System.
Windows Vista and Windows Server 2008 - Click Start or the Windows logo depending on what you have then click Control Panel->System and Maintenance->System.
You could also try Clicking Start or the Windows logo then if you have a 'Start Seach' field type winver then Double-click winver.exe from the results. If you had a run box instead of search just click Run type winver click OK.
Windows NT, Windows 2000, Windows XP and Windows Server 2003 - Click Start ->RunType winver then click OK. You could also try typing msinfo32 or sysdm.cpl or winmsd if you like. Lastly you might try typing dxdiag. Windows might prompt you to verify drivers click No.
Windows 95/98/ME - Click Start->Settings->Control Panel double-click System click General tab. Locate version number under system heading. Click here for chart to match version number to release.
Windows CE - Click StartSettingsControl Panelclick the System applet. If that does not work you might just have to look in the General Tab or somewhere in the System Tab.
You can also find out if your computer is running a 32-bit or 64-bit version of Windows in the same areas listed above.
For Mac OS X 10.11 or later. I want to update Chrome This computer will no longer receive Google Chrome updates because Mac OS X 10.6 - 10.10 are no longer supported. SimTower (Mac OS) by Maxis. Publication date 1994 Topics simtower, maxis, game, macos, os8, os9, mac os 8, mac os 9, apple Language English. Mac OS version of SimTower. Address 4529 West 119th Street Leawood, KS 66209 (913) 234-9800 Driving directions and map.
Macintosh
OS X (Mac OS X) - Click the Apple menu at the top of your screen then click About this Mac. To get more detailed information after that click More Info -> Software. Note: Apple has changed the name of it's OS to OS X from Mac OS X.
iOS (iPhoneOS) - On your iPhone touch Settings ->General ->About. Look under version. Note: Apple has changed the name of it's OS to iOS from iPhoneOS.
Linux
Open a terminal program (get to a command prompt) and type uname -a. This will give you your kernel version, but might not mention the distribution your running. To find out what distribution of linux your running (Ex. Ubuntu) try lsb_release -a or cat /etc/*release or cat /etc/issue* or cat /proc/version.
FreeBSD/NetBSD/OpenBSD/DragonFlyBSD
Open a terminal program (get to a command prompt) and type uname -a. This will tell you the version (release) and type of BSD your running.
Android Phone
Go to the Home Screen (push the home button or just keep pressing the left facing triangle (back button)). Then push the Applications button (looks like little squares or like 3 colons :::). Find and touch the Settings icon. Scroll to the bottom of the list. then touch About Phone. Look for lines that say Firmware version or Android version.
Blackberry (RIM OS)
Go to the Options menu and choose About. If that does not work try the Tools icon then click on Settings then About.
Solaris (SunOS)
Open a terminal program (get to a command prompt) and type uname -a or for lots of info (on newer Solaris machines) type showrev -a.
AIX
Open a terminal program (get to a command prompt) and type oslevel -r or uname -a or lslpp -h bos.rte.
IOS (Cisco)
On the command line in enabled mode (enable) type show version.
XOS (Extreme Networks)
On the command line at an administrator privilege level type show version.
IronWare OS (Foundry)
On the command line at an administrator privilege level type show version. For more Foundry commands look here.
OpenVMS
At a terminal propt type show system /noprocess