how do i manually update comodo antivirus with bases.cav?

I download the comodo antivirus database file bases.cav, how i can update the comodo antiviurs manually with this file?

Start Windows in the safe mode and replace your previous bases.cav with the new one. Put it to ‘C:\Program Files\COMODO\COMODO Internet Security\scanners’ (if your system drive is ‘C’).

It’s in the FAQ Where can i download the latest full AV database?
It also contains the ‘how-to’ update.