From key to working.
Everything we tell customers on the phone, written down: installing, activating, upgrading and fixing Microsoft Office and Windows — in plain English, with the error codes people actually see.
Windows · PC5 min
How to activate Windows 11 with a product key
Enter a Windows 11 Home or Pro product key, confirm activation, link it to your Microsoft account and fix the common 0xC004 activation errors.
5 stepsRead guide
Windows · PC10 min
How to upgrade Windows 11 Home to Pro without reinstalling
Use a Windows 11 Pro key to upgrade Windows 11 Home in place — BitLocker, Remote Desktop and Group Policy, with your files and apps untouched.
6 stepsRead guide
Windows · PC45 min
How to clean-install Windows 11 from a USB stick
Create a bootable USB with the Media Creation Tool, boot from it, enter your Windows 11 key and finish setup — the complete fresh-install walkthrough.
7 stepsRead guide