1 First, you need to find a valid key that can be activated by phone, and you can see if this key can be used for phone activation on phone activation, and see if the key can be used for phone activation needs networking:
2 Open command Prompt (Admin)
3 Using the SLMGR.VBS-IPK Key command to install the key
4 then right button this computer-properties-Activate Windows, enter the activation interface click Error message, as shown in the "activation server determines that the specified product key has been blocked" indicates that the retail key has expired and cannot be activated by phone
5 re-use the SLMGR.VBS-IPK command to replace a new key, enter the activation interface to click the error message, as shown in the "Activation Server report product key has exceeded its unlock limit" means that the retail key has not expired, you can activate the phone
6 After you find a key that can be used for phone activation, enter the command "Slui 4" in the command prompt (Admin) and select the UK or the United States in the pop-up country selection (I chose the United States, the United States phone can be dialed directly), and then click Next
7 on this page, dial the phone on the page
8 At this time, we need tools: Skype, Internet telephony
9Skype We can download Baidu, Skype can not charge money to call free phone:
10 after the phone through, according to the prompts, enter the following installation ID, a total of 9 groups, divided into 9 times input:
11 after a successful activation, you need to wait a little while. You can enter the previous key activation directly, or you can enter the phone to tell your ID (hint: You can also use the recording software to record on the phone)
12 Then, you can activate the Win8.1. After activation, restart Win8.1, the watermark can disappear