After that, a window will appear that the key you entered has been successfully installed.Ĥ) Next, enter the slui 4 command to proceed to activation by phone.ĥ) Select the country of your location. Go to the command line run as administrator:ģ) The next step in the command line is to enter: slmgr -ipk XXXXX-XXXXX-XXXXX-XXXXX-XXXXX (where 'X' is the key itself). Detailed instructions with pictures: If you have a Windows 10 license key (if not, we'll tell you where to get it later in the article) and you get various errors during online activation, then activation by phone can help in this case.ġ) The first thing to do is to make sure that you have a Windows 10 license key, if not, you can purchase on next page in our SoftComputers store at a cheap price.Ģ) After you are sure that you have the key. In this article we will tell you how to activate Windows 10 by phone.