Debian -- Live install images
https://www.debian.org/CD/liveInstaller: Starting from Debian 10 Buster, the live images contain the end-user-friendly Calamares Installer, a distribution-independent installer framework, as alternative to our well known Debian-Installer . Size: Each image is much smaller than the full set of DVD images, but larger than the network install media.
> Debian > Debian 10 - > Download Linux - LQ ISO
iso.linuxquestions.org/debian/debian-10The Debian project has announced the release of Debian 10 (code-named "buster"), the latest stable version from the popular community project and the worlds largest Linux distribution whose beginnings date back to 1993: "After 25 months of development the Debian project is proud to present its new stable version 10, which will be supported for the next 5 years.
Downloading Debian CD/DVD images via HTTP/FTP
https://www.debian.org/CD/http-ftpTo install Debian on a machine without an Internet connection, it's possible to use CD images (700 MB each) or DVD images (4.7 GB each). Download the first CD or DVD image file, write it using a CD/DVD recorder (or a USB stick on i386 and amd64 ports), and then reboot from that. The first CD/DVD disk contains all the files necessary to install ...
Debian -- Getting Debian
debian.org/distribDebian 10 ("Buster") Buy a set of CDs or DVDs from one of the vendors selling Debian CDs Many of the vendors sell the distribution for less than US$5 plus shipping (check their web page to see if they ship internationally).