End-users can view activation error messages on the ‘Activation’ page.

1) Open ‘Settings’ on the device

2) Select Update & Security > Activation

Fig. 1: Highlighted – Error message

Following are some commonly reported activation errors:

  1. Previous version of Windows 10 was not activated before installing the upgrade.
  2. Windows 10 Enterprise license lapses and the OS has reverted to Windows 10 Pro.

For activation errors such as the ones listed above the end-user (that has administrative privileges) can use the Troubleshoot  option to correct these errors.