LTSB/LTSC editions are Enterprise-level products. Using them without a valid Volume License is a violation of Microsoft's licensing terms .

Unofficial .ISO or .ZIP files from third-party sites like FaresCD are not verified by Microsoft and may contain malicious code.

Organizations can download official LTSC/LTSB images through the Microsoft 365 Admin Center or Visual Studio Subscriptions.

If you need to test Enterprise features, download a 90-day trial from the Microsoft Evaluation Center .