wifi connecetion

So I replaced my HDD by SSD and reinstalled my windows 10 (clean install) but there is no wifi connection nor any driver in network adapter except Ethernet driver and there is no option for WiFi in the settings , I tried to install wifi driver via Ethernet manually and by some programs like...

Can we configure a Wi-Fi router in such a way, like - out of these three devices, only one device can connect to the wifi at a time? If Yes, How? Actually I want to provide internet to others, but I can't trust them that they will use only one device at a time. So I want to configure the router...

Recently, when I'm playing online games, my wifi disconnects. It says "no internet, secured." I have a ASUS Prime Z390-A Motherboard LGA1151 (Intel 8th and 9th Gen) ATX DDR4 DP HDMI M.2 USB 3.1 Gen2 Gigabit LAN for my motherboard. My pcie wifi card is a Gigabyte GC-WB867D-I REV Bluetooth...