Canon Community

Can anyone tell me for certain which cable # will allow me to watch stills and video on my TV? I found the HTC-100 on Canon site but its application is a little ambiguous. I'd like it to be camera specific.

I have ordered a new 5D mark IV and I am replaceing a Mark III. Does aanyone know if I need to uninstall the current software to install the new Mark IV software? I understand some of it is an upgrade.If I need to uninstall can I put the existing fol...