Canon EOS Rebel T6i W Instruction Manual page 403

Downloading Images with a Card Reader
You can also use a card reader to download images to your computer.
When downloading images from the camera to your computer with a card
reader without using EOS software, copy the DCIM folder on the card to
your computer.
Install the software
1
Insert the card into the card
2
reader.
Use Digital Photo Professional to
3
download the images.
Refer to the Digital Photo Professional

Instruction Manual (p.406).
Downloading Images to a Computer
(p.405)
.
403