With CC open switch to Windows explorer, navigate to the image file that you wish to use. Right click on the image file and drag it into the CC scene - the image will be shown inside a small panel marked +Copy.
Once there release the right mouse button and select Plane from the menu window that opens. You can now resize, move and rotate the image to suit your requirements once added.
System: Win 10 Pro (21H1), Asus X99-E WS, CPU i7-5930K -3,5 GHz, 32 GB DDR4 2666-16 RAM, NVidia GTX 1080 Ti GPU - 11 GB VRAM(Driver Studio-472.12), Samsung 850 Pro 512 GB SSD, 6 TB HD storage.