When installing Microsoft Office using the Click-to-Run installation method, you may encounter various error codes that can impede and installation process. If the error is Error 12 typically occurs when there is an issue with the installation source and the local system quickly.

Moreover, you’re facing this issue, don’t worry, as we will explore the possible causes and provide effective troubleshooting steps to help you overcome Click-to-Run error (12) when installing Microsoft Office successfully install Office 2021/2019 or Microsoft 365 using Click-to-Run.

https://livehelpbook.com/office-click-to-run-installation-error-12/