I am ordinary computer user. I bought a new Mac book pro and followed instructions from computer which suggested to transfer everything from "My passport" backup. The problem is that my previous Mac was very old and all programs, everything was old. Now I have Microsoft office from 2007, old Safari that does not work. The worst is that when I download a new safari or new firefox, I see a file Firefox 17.0.1.dmg.download and can't open it!
Where is the key to get my new computer working as new computer and run everything smoothly?
Thank you for help!

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