Debian on CDs/DVDs
https://www.debian.org/CDDownload CD/DVD images with jigdo. The "jigdo" scheme allows you to pick the fastest out of 300 Debian mirrors worldwide for your download. It features easy mirror selection and "upgrading" of older images to the latest release. Also, it is the only way to download Debian DVD images for all architectures. Download CD/DVD images with BitTorrent.
Debian -- Getting Debian
debian.org › distribWhen you are ready, you can run the included installer (starting from Debian 10 Buster, this is the end-user-friendly Calamares Installer). Provided the images meet your size, language, and package selection requirements, this method may be suitable for you.
Debian -- Getting Debian
debian.org/distribDownload an installation image. Depending on your Internet connection, you may download either of the following: A small installation image: can be downloaded quickly and should be recorded onto a removable disk.To use this, you will need a machine with an Internet connection.