I'll add my 2 penneth..
Quite a lot of audio cards come bundled with DAW software
albeit a lite/cutdown version.
Ableton Lite would be a good option I recon.
Personally I would recomend Ableton as software anyway
flexible, easy to use, not endless menu's etc as many others use.
I wouldnt touch Pro tools with a barge pole tbh, I suspect it
will probably be a thing of the past soon and I dont know anyone that uses it
any more.
U could get away with one mic, probably not an sm58 as its frequency response is too limited for serious vocal or delicate work, that said, it would come in handy for its ability to work with loud sound sources.
Feel free to PM me if you want a more in depth chat about what might or might not work for u. What kind of material are you looking to record?