![Free product key for windows 10 pro 16299 upgrade](https://cdn1.cdnme.se/5447227/9-3/24_64e61dfd9606ee7f8b257167.png)
![free product key for windows 10 pro 16299 upgrade free product key for windows 10 pro 16299 upgrade](https://i.imgur.com/jgj7nI8.jpg)
Step 5: The last step is to activate your Windows using the command “ slmgr /ato”. Step 4: You use the command “ slmgr /skms ” to connect to my KMS server. ( *Note*: You need to hit key to execute commands.) Step 3: You use the command “ slmgr /ipk yourlicensekey” to install a license key (yourlicensekey is the activation key you got at step 1). Step 2: You right-click on the start button and open Command Prompt (Admin).
![free product key for windows 10 pro 16299 upgrade free product key for windows 10 pro 16299 upgrade](https://cdn.slidesharecdn.com/ss_thumbnails/window10productkey100working-190612070137-thumbnail-4.jpg)
Then you click Change product key to enter a Windows 10 Pro product key. If you have it, you go to Activation Settings.
![free product key for windows 10 pro 16299 upgrade free product key for windows 10 pro 16299 upgrade](https://i.ytimg.com/vi/R60Q4LKPf84/maxresdefault.jpg)
To activate Windows 10 Pro, you need a Windows 10 Pro product key or digital license.
![Free product key for windows 10 pro 16299 upgrade](https://cdn1.cdnme.se/5447227/9-3/24_64e61dfd9606ee7f8b257167.png)