Grab an image with non-free firmware and drivers included (for WiFi, GPU, etc): https://cdimage.debian.org/cdimage/unofficial/non-free/images-including-firmware

Grab an image with non-free firmware and drivers included (for WiFi, GPU, etc): https://cdimage.debian.org/cdimage/unofficial/non-free/images-including-firmware/ https://cdimage.debian.org/cdimage/unofficial/non-free/image... Put the image on a USB stick, boot from it into Live mode or start the installer, which is quite good.