Upgrading Software?

So we have a Express and I don't believe it's running with 3.1 software. Can I just take the download from the ETC website, put it on a floppy, and stick in the board?

Will this work at all?

If it does how do i need to set up the floppy?

and how would i need to set up the board if the above 2 are true?

THANK YOU VERY MUCH!  :D

 

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