express concern about where to install - it tells you to not install in the drive where there is a lost data - but as of now, I do not have lost data so I cannot guess which if my three drives might fail, and as I have 3 hours to install and register

it tells you to not install in the drive where there is a lost data - but as of now, I do not have lost data so I cannot guess which if my three drives might fail, and as I have 3 hours to install and register it, it is kind of confusing