The first step to learning Docker by downloading it, irritatingly, is that getting Docker Desktop on Mac or Windows requires creating a Docker Hub account and signing in! There’s even a long issue thread about this on GitHub and the response was totally irrelevant! Luckily for those who don’t want to jump through these hoops (through disposable addresses or reusable shared logins) or provide an email address, there are many people who have posted direct links to the different downloads available.