One last thing: all the forks (e.g. bitcoin cash) is also connected with my BTC...so when I send out BTC to anther wallet, will it also send out BCH?
Congratulations!
Remember that now you have a lot of forks... You may check here:
http://www.findmycoins.ninja/Only BCH has some sensible value, but if you want to play, now you may collect many of them. Just be careful with software you install (maybe do it on virtual machine) and do it after you empty BTC.