There are a few hurdles in your way, but the price may be worth it.
A fresh Dev build is now rolling out to Windows 11 Insiders, offering to try fresh fixes for the Start menu, File Explorer, ...
Your network card is likely fine if the Wi-Fi icon is missing. Use these troubleshooting steps to quickly bring it back.
Microsoft has released emergency Windows 11 / 10 updates again with KB5078127 KB5078132 KB5078129, and KB5078131.