How to connect to my laptop using my phone WiFi
How to connect WiFi and how to wirelessly connect to hp deskjet 3526 print scan copy
iPhone 12 Pro Max, iOS 14
Question marked as
The only way you can connect to your laptop is to provide it with internet service via your Personal Hotspot. Is that what you are trying to do? How to set up a Personal Hotspot on your iPhone or iPad - Apple Support
As far as the printer, to be able to print from an iPhone, you need to have an AirPrint enabled printer connected to the same wi-fi network as your iPhone an the iPhone should recognize it when you attempt to print. About AirPrint - Apple Support