Activate Microsoft Office 2019 Free Legally using Volume License
Install Microsoft Office 2019 While installing the office, do not write any product key, just click on x on the top right corner.
Open Command Prompt (cmd.exe) in administrator mode in Start menu, search for cmd and right click on cmd.exe and choose run as administrator.
Open the installation folder of MS office If you know that your MS Office is in ProgramFiles or ProgramFiles(x86), use the right command of those two commands.