How to Fix Error Code 0x80070057: Invalid Parameter During Office 2021 Installation

There are several ways to address the error code 0x80070057 during the Office 2021 installation:

1. Verify system requirements: Ensure your computer meets the minimum requirements for Office 2021, including processor, RAM, and hard disk space specifications.
2. Temporarily disable antivirus software: Antivirus programs can sometimes disrupt the installation. Turn off your antivirus temporarily and attempt to install Office 2021 again.
3. Run the installation as an administrator: Right-click the Office 2021 setup file and choose 'Run as administrator.' This grants the necessary permissions for a successful installation.
4. Use the Office Installation Troubleshooter: Microsoft offers a tool called the Office Installation Troubleshooter to diagnose and fix installation problems. Download and run this tool to see if it resolves the error code 0x80070057.
5. Repair the Windows Registry: Registry errors can cause error code 0x80070057. Use a registry cleaner to scan and fix any issues in the Windows Registry.