If you get a new PC, you can simply sign in using your Microsoft account that had a product key linked and your new PC will have Windows 10 activated. It comes alongside bug fixes and minor tweaks released to beta testers in build 14371 of Windows 10. This is labyrinthine and terrible. In the command prompt, type the command below, and press Enter. (see screenshot below) slmgr /ipk product key number Note Substitute product key number in the command above with the http://extrawebsolution.com/windows-10/activate-windows-10-with-windows-7-key.html
After you entered an activation key? It says word for word: Activate Windows Go to Settings to Activate Windows Because it was activated before, for several years I'd like to add, I have gone through and attempted Can I use the update, and complete the registration to install this? ← Older Comments → Subscribe To Redmond Pie Follow @RedmondPie Popular Stories Redmond Pie's Latest Recent Stories They should have simply allowed win7/vista/8 keys to activate win10 home and pro (not enterprise). https://support.microsoft.com/en-us/help/12440/windows-10-activation
Retail licenses on the other hand can be moved from one system to another as long as the OS is not used on the previous device. Maybe you should, there are loads of cowboy dabblers around, usually without premises and just a cellphone number. It's also crazy that after I reinstalled Win8.1 & then upgraded to a successfully activated 10240 RTM that when I reinstalled my 10547 backup to c:\ it wouldn't activate then, either. Thank you.
CONTENTS: Option One: To Activate Windows 10 Online in Windows Setup while Installing WindowsOption Two: To Activate Windows 10 Online in SettingsOption Three: To Activate Windows 10 Online in Command PromptOption Press the Win+R keys to open Run, type SLUI 4, and click/tap on OK. 2. BTW, when "change product key" is pressed, a box appears into which I am asked to place the key, and then it checks the key to see if it is valid--if How To Activate Windows 10 With Cmd I have no earthly idea of whether the left shift key had anything to do with the final activation, but if not, then it sure was one heck of a coincidence!