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How to Use the DIR Command in Windows

The DIR command is a powerful Windows Command Prompt function that lists all files and subdirectories contained in a specific directory. The DIR command also offers some switches that unlock some powerful functionality. Let’s…

What Is Windows 10 or Windows 11 in S Mode?

Some Windows 10 or Windows 11 PCs, like Microsoft’s Surface Go 3, come with “Windows 10 in S Mode” or “Windows 11 in S Mode.” PCs in S Mode can only install applications from the Microsoft Store. But you’re free to leave S M…

How to Make Windows Show File Extensions

Windows doesn’t show file extensions by default, but you can change a single setting and make Windows always show you each file’s full file extension. This works in File Explorer on Windows 10 and Windows 11 as well as Window…

How to Find Your Windows PC’s Serial Number

Windows doesn’t display your PC’s serial number anywhere in its interface, and neither do popular system information tools. But you can often find a PC’s serial number with a simple command, a peek in your BIOS, or on the h…
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