Local area network connectivity via cable modem Wi-Fi
Addresses assigned via DHCP
Network consist of computers and a wireless printer
Operating system windows 10
Objective
Have all the computers be able to access resources on each other and the printer
Only one of the computers in the group be able to access the internet but have its files protected from internet

How is this possible

Thanks for any help you can land


Lenovo YOGA 900 Window s 10 Home 64bit 16GB RAM\2018 13” MacBook Air casio wk7500 presonus audiobox i2 usb interface
casio wk-7500
biab & realband 2023 everything pk both with Current builds