On a new iMac how to download photos from SD car

I'm sure you mean to say "Insert the SD card into the slot on the back of the iMac."

I'm sure you mean to say "Insert the SD card into the slot on the back of the iMac."

Yes. That's what I meant. Thanks. :P

Insert the SD card into the slot on the back of the iPad. It should then appear in Finder and the Photos App.