I am fairly convinced that No. 3 will give me what I want to setup and connect in Win10 64 bit: what does The Team think? All advice respected with thanks.
When the Thought Police arrive at your door, think -
I'm out.
The router is N only so no need to worry about AC, I’d go with #3.
The card I’ve been using lately is this one Gigabyte GC-WB1733D-I it’s on Amazon for the same price. I like the external antenna and it has Bluetooth too.
EDIT – the card has a power connector but it’s only needed for Bluetooth.