I started to use TabTrader but can’t ad a exchange for trading.. al the info I find is with tutorial created on Android and I finally by a IPhone. How can we ad a exchange on version 1.15 (2)? With iOS 11.

I gone buy a new laptop to but still hesitating to change to Mac to for the better security and better fiabilité then windows laptop.. but like I can read the opinion are split..
because starting to have a nice portfolio and then be hacked because you didn’t invest in best protection it’s a litlle stupid..