A:AnswerI dont have this pc, but I do know 1 thing. Usually bios updates are found the website that made the motherboard ex.(Asrock, MSI etc). if you can find out what motherboard the pc has, just go to google and search "Name of motherboard BIOS update" and it should take you to the companies website with instruction on how to update the BIOS to that specific motherboard.
A:Answermsinfo32 identified the MB in mine as
"Asus PRIME B550-PLUS AC-HES"
https://www.asus.com/motherboards-components/motherboards/prime/prime-b550-plus-ac-hes/
A:AnswerYes. I purchased this model and WiFi works great. When you unbox look for an external WiFi antenna that you need to connect to a couple of ports on the back.
A:AnswerThere are two versions for the 4060 ti. One has 8gb of vram (which is the one included in the pc), while the other has 16gb of vram. The one in the pc is the 8gb version.