How to pretend browsing from a different country (IP address)

Hi, I have a project to build an ad poster for another country, and I want to pretend browsing from that country from my IP address.

I'm already using Tor Browser which also does it well, but the problem here is I can't use Tor as it's just a browser, as I have to open it in order to pretend.
Whereas I need to be able to pretend from the whole computer (my IP address) as I'll be using Visual Studio 2013 to develop and test the program specially when posting.

I browsed Google and…

How to pretend browsing from a different country (IP address)