Step-by-step guides for installing and activating Microsoft Office, Windows, Windows Server, Project, and Visio.
Step-by-step guide to upgrade Windows 10 or Windows 11 Home to Pro without formatting or losing data. Learn when to use the generic Windows Pro upgrade key, how to change the edition safely, how to handle errors 0x8004230f or 0x8007000d, and when to activate Windows Pro with your valid product key.
Activate Windows 11 Enterprise or Windows 11 LTSC using telephone activation. This guide explains how to open slui 4, copy the Installation ID, obtain a Confirmation ID, and complete activation.
Activate Windows 10 Enterprise or Windows 10 Enterprise LTSC using telephone activation. Follow these steps to open slui 4, obtain the Installation ID, request a Confirmation ID, and finish activation.
Activate Windows Server 2025 Standard or Datacenter after checking the installed edition, converting Evaluation builds when necessary, and completing online or telephone activation.
A version-specific guide to activating Windows 11 Home or Pro, including the modern Settings path and the telephone method for obtaining and entering a Confirmation ID.
This guide covers Windows Server 2016, 2019, and 2022: verify or convert an Evaluation edition, enter the correct product key, and complete online or telephone activation.
Learn how to activate Windows 10 with a product key and, when online activation is unavailable, complete telephone activation using an Installation ID and Confirmation ID.
This guide explains how to download, install, and activate Microsoft Office, Project, and Visio LTSC editions. Choose the correct product and version, then follow the shared installation and telephone activation steps.
This guide explains how to download, install, and activate supported Microsoft Office Retail editions from Office 2016 through Office 2024. The installation process is shared across these editions; only the installer selected below changes.
