You're likely going to be more motivated than ever...to start. You do not want to sprint out of the gate and burn out after two weeks. You also do not want to shoot to workout 7 times a week and fail to come close because that will likely be perceived as a loss.
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I always recommend to realistically look at your schedule. Determine how much time you want to invest and start with a fairly easy goal to build some momentum and begin making exercise part of a routine that does not get skipped for any reason. There is a lifetime to add and subtract aspects of the routine but you really want to set yourself up for success and accomplishing a few wins from the beginning is a good plan. If you're confident you can exercise with weights two times weekly but uncertain about four. Just start with two for a month and reevaluate once it's stable in your life.