How to resolve the error code 0x80070057: Invalid parameter during Office 2021 setup

There are several ways to resolve the error code 0x80070057 when installing Office 2021:

1. Verify system requirements: Ensure your PC meets the minimum system requirements for Office 2021. Check the processor, RAM, and hard drive space needed.
2. Temporarily disable antivirus: Antivirus software might interfere with the installation. Turn off your antivirus temporarily and try installing Office 2021 again.
3. Run as administrator: Right-click on the Office 2021 installation file and choose 'Run as administrator.' This provides the necessary permissions for a successful installation.
4. Use the Office Installation Troubleshooter: Microsoft offers a tool called the Office Installation Troubleshooter that can help diagnose and fix installation problems. Download and run the tool to see if it resolves the error code 0x80070057.
5. Fix the Windows Registry: Sometimes, the error code 0x80070057 is caused by registry issues. Use a registry cleaner tool to scan and fix any errors in the Windows Registry.