You generally cannot download a generic version of the Edge Client from the official F5 website because it must be customized by your organization's IT administrator. To get the correct installer:
F5 BIG-IP Edge Client (Windows OS) Codename: “The Little Orange Plug” Threat Level to IT Sanity: Moderate to Severe big-ip edge client download windows
Technically, the "BIG-IP Edge Client" is old nomenclature. F5 now calls it the . But try searching for "F5 Access Client download windows error 4356" on Google. You get zero results. Search for "BIG-IP Edge Client error 4356"? You find a forum post from 2014 that saves your life. You generally cannot download a generic version of