You can't upgrade everything in a laptop, but these three parts offer the most potential gain and are worth considering.
If Ethernet or WiFi is not working after a BIOS update on your Windows 11/10 computer, the fixes provided in this article ...
To enjoy Wi-Fi 7, you need a broadcaster (a router or access point) supporting the new wireless standard -- here's the growing list of options you can get today. And then you need a computer client.
Also, make sure that the physical Wi-Fi button on your laptop is turned ... a VPN software while upgrading to Windows 10, you would have to remove the VPN virtual card using Windows Registry ...