Uninstall the older MS Office version by using an uninstaller. You'll need to download Microsoft Office Crack 2023 with the key. Turn off the internet and switch to offline activated mode. Select a folder to store the program. Make sure that all security guards are off. Run the Crack file from the downloaded folder. Then copy the Microsoft Office 2019 product key and paste it into the needed field. Click on the "Register" button. Make sure to reboot your PC.