Will I still be able to connect after building a new pc?

My current computer is the one connected directly our Comcast wireless gateway. I am going to replace it with a pc I am building. Will I be able to get back on the internet without any headaches? Sorry if this is the wrong place to post this question, and thanks for any help in advance.

What you should do first, is go the manufacturers website for whatever motherboard you bought and download the LAN drivers for the OS you plan to install and save those to a usb drive. That way if for some reason the OS doesnt have proper drivers, you can install the ones from the usb drive.

Probably should have posted in the building a pc forum But w/e