Official installation, activation and troubleshooting guides for Windows, Office, Server and Mac products.
Installation & activation instructions for Windows 10, 11, IoT and LTSC editions.
Step-by-step installation and activation instructions for Office 2019, 2021, 2024 and LTSC editions.
Windows Server setup, CAL installation, and RDS configuration.
Office for Mac installation and activation instructions.
Common activation error codes and how to resolve them.
General installation fixes, ISO mounting, compatibility issues.
