If you have already installed the evaluation version and have a valid product key, you do not need to reinstall. You can convert it to the full Standard edition using the tool in an elevated Command Prompt or PowerShell: Check current edition: dism /online /get-currentedition
edition using the Command Prompt (running as Administrator): Check current version: DISM /online /Get-CurrentEdition Check available target versions: DISM /online /Get-TargetEditions Convert to Standard:
Use your retail or volume product key in the following command:
Microsoft typically only provides evaluation versions to the general public through the Microsoft Evaluation Center . For a full, non-evaluation ISO, use one of the following official channels: