We are upgrading our Mozy Community!
The new community will have new features, a much improved user interface and will work on your mobile devices.
You will be able to access the community during the upgrade but you won’t be able to post until we’ve migrated every user to our new platform.
Please see this link for further support options that are always available to you.
We apologize for the inconvenience this may cause.
Thank you for reaching out. I see that you indeed can have up to 4 machines on the account. I see 3 slots accounted for.
If you install Mozy you can occupy that 4th slot without having to choose Replace. That being said, you can still restore files from the main PC you mentioned as well. I have included some documentation below to help you do this: