Barbara Krasnoff is a reviews editor who manages how-tos and various projects. She’s worked as an editor and writer (and occasional sci-fi author) for more years than she cares to admit to.

On this page, you'll be able to see what macOS version your computer is running, right down to the build number (something like 10.14.6). Underneath the OS name, you'll find a collection of basic ...

What version of Windows 11/10 do I have installed on my PC? If you need to find out which edition, version, and build of the Windows 11 or Windows 10 operating system you have installed on your ...

It also shows you the version of the operating system you’re using ... information about all the components in your PC or laptop. It lets you see the exact model of most pieces of hardware ...

Much like a computer's operating system, the iPhone's operating system, dubbed the iOS, receives updates from Apple on a regular basis. These updates add features that a business owner may find ...

Most people should know that Windows 11 is the latest version of Microsoft’s operating system. That’s easy ... Normally, your computer should take care of that itself with automatic updates ...

However, you can use the Registry to accurately determine whether you're running an upgrade or clean install of Windows 10 and the number of times a new version of the OS has been installed.