Error code 30045-11 in Microsoft office 365/2021/2019
Firstly, go to Microsoft office account Login | Microsoft 365 and sign in to account.
Secondly, check this dashboard and look into product that you have purchased.
After that, Select the “Install Office “option and download it
Finally, check downloads on your system and double-click to the setup file for install.
If the Microsoft Office 365/2019 program error code 30045-11. still exists then try the advanced registry fix