Canon EOS R3 Advanced User's Manual page 738

3.
Select [OK].
4.
Select [OK].
5.
Select [OK].
Connection settings for Browser Remote are now complete.
Note
You can change account settings on the [Account settings] screen (
by selecting [Browser Remote settings] in [Connection option settings]. The
port number setting can also be changed on the [Browser Remote settings]
screen by selecting [Port no. (HTTP)] or [Port no. (HTTPS)]. Note that there is
normally no need to change the port number (80 for HTTP, 443 for HTTPS).
Display returns to the [Network settings] screen.
Setting information is stored on the camera.
738
), accessed