I live in Venezuela and I have a good pc, it said it because I read in some parts you can use your PC as a miner, but use pages that "calculates" what your PC sapping and calculations I was lost, I did not understand so that the calculations, but good.
I hope they can help me and thanks to those who help me
If you are interested in mining with your PC,you should consider altcoins, because bitcoin mining is worthless with pc after asics kicked in few years ago but there are still alt coins that
you can mine (and later exchange for bitcoin if you wish).
You should share some basic PC information so we can help you set it up if you want, and you can also check out altcoin mining section and newbie sections of the forum which may be usefull.
Altcoin mining https://bitcointalk.org/index.php?board=160.0
Begginers and help https://bitcointalk.org/index.php?board=39.0
As far as the gambling part goes, it's pretty much straight forward if you're into it, just pick some of the popular sites and try it out, and good luck.