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How to Create a New User Account on Windows 10 | How to Create a Guest User Account, Technical Sabur
Most new computers and laptops that you buy in-store or online usually come with Windows 10. If you’re starting from scratch with a new build, you’ll need to do a clean installation of Windows and activate Windows. Activation in Windows 10 helps verify that you have an original copy of Windows that hasn’t been used on more devices than allowed.
You might get a Windows 10 activation error if your copy of Windows is fake, installed on multiple PCs, or if you're using a second-hand computer and you don't have your product key.
Read this section to find out why you are getting an activation error in Windows 10.