Resolving Office 2021 Installation Error 0x80070057: Invalid Parameter

If you encounter the error code 0x80070057 when installing Office 2021, try these effective methods:

1. Verify system compatibility: Ensure your PC matches the minimum specs required for Office 2021, including processor, memory, and disk space.
2. Temporarily turn off antivirus: Sometimes antivirus programs block the installation. Deactivate your antivirus briefly and attempt the installation again.
3. Install with admin rights: Right-click the Office 2021 installer and choose 'Run as administrator' to grant the necessary permissions for a smooth installation.
4. Utilize Microsoft's Office Installation Troubleshooter: This tool can help identify and resolve issues. Download and use it to address the error 0x80070057.
5. Correct Registry errors: Faulty registry settings can cause this error. Employ a reliable registry cleaner to detect and fix any registry issues.