Win10 technology preview can not be activated how to repair

Win10 technology preview has been released, it has been popular with many users, although still in the testing stage, but there are still many users can not wait to upgrade the system to Win10. However, since the Win10 system is not yet a formal version, there are still many problems.

The Win10 Technology Preview currently only provides a public key that can be successfully activated using this key. In general, the network is activated by default when you install it. If you encounter "Unable to activate Windows." Please try again later, you can try to reactivate Win10 using the public key.

1. Press the win+X key combination or right click on the Start menu button and select “Command Prompt (Administrator)”.

2. Enter the following code: slmgr /ipk NKJFK-GPHP7-G8C3J-P6JXR-HQRJR press Enter to activate the Enter key. After

finish these two steps, you can activate the Win10, but also allows you to start using this latest version of the Windows system. However, in the process of using Win10, you may encounter various problems, so you should actively find a solution.