Hi, welcome to the club.
BB is playable with the 3rd edition rules and right out of the box. The only caveat, if you could call it that, is Moved & Fired markers have been combined in the 3rd edition to be Moved/Fired markers. I think it was because having moved or fired was a distinction without a difference.
If you are into making your own counters, and you don't want separate moved and fired counters,
try these. You should also download the
BB charts, turn record, & assault hexes, if you haven't already. (They just look better.) Lastly, the
official BB errata and
corrected counters. (The errata corrections apply to both editions.)