The number of PCs sold every year peaked in 2014 and has been declining steadily ever since. These days, something like 15 percent of all computers sold run Windows — if you include phones and tablets in the “computers” category. Windows was once king of the computing hill. Not so any more.

Do I have Windows on my computer?

Select the Start button > Settings > System > About . Under Device specifications > System type, see if you’re running a 32-bit or 64-bit version of Windows. Under Windows specifications, check which edition and version of Windows your device is running.

What computers dont use Windows?

Is There a Real Alternative to Windows?

• There are three major alternatives to Windows: Mac OS X, Linux, and Chrome.
• Whether or not any of them would work for you depends entirely on how you use your computer.
• Less common alternatives include the mobile devices you may already be using.