How to upgrade wifi adapter from 2.4G to 5G dual-band. (5GHz)

The gist of this article is how to upgrade old laptop wifi (2.4GHz) to a newer 5GHz adapter and hence, connect to high-speed internet. There are 2 best options to connect your old laptop and PC to a 5 gigahertz or 5GHz or simply 5G wifi (upgrade from 2.4G wifi): Buy an external USB 802.11ac […]