Error codes 30182-44 or 30015-45 typically indicate a conflict with previous Office installations on your computer. Follow these three steps below to resolve these errors and successfully install Office 2021 Professional Plus!
Step 1: Uninstall Previous Office Installations
Use this tool from Microsoft to remove all remnants of any previous Office Installation: https://aka.ms/SaRA-officeUninstallFromPC.
Step 2: Restart Your PC
Once the uninstallation tool has completed its process, restart your computer. Remember to restart (not shut down).
Step 3: Reinstall Microsoft Office
After your PC has restarted, attempt to install Microsoft Office 2021 Professional Plus again.
By following these steps, you should be able to resolve the installation errors and get Microsoft Office 2021 Professional Plus up and running on your machine.