Here are the steps to set up port forwarding on your router:

1. Log into your router and find the Port Forwarding menu.
2. Create a new port forwarding rule.
3. Enter the port range you want to open in the fields provided.
4. Specify which protocol (TCP or UDP) you want to open.
5. Enter the static local IP address of the device you want to forward the ports to.
6. Set the ‘Enabled’ field to ‘Yes’.
7. Save your settings.