In order to set up a home network with multiple devices, follow the instructions below:

1. Connect your router or modem to your computer via an Ethernet cable or Wi-Fi.
2. Ensure that all devices needing to connect to your home network have the correct Wi-Fi settings.
3. Install any necessary security software and set any required passwords.
4. Run network diagnosis tests to verify that all devices are able to connect.
5. Install any necessary software updates.