People commonly ask me what to start reading to learn about Windows Installer. Internally I point people to a wiki I maintain with lots of links to various sources, and some of those links are to my own blog posts. Externally I typically link to all these same sources, and typing all those links and maintaining the list becomes tedious. So I've created an Essentials tag and have retroactively tagged what I consider to be essential learning material and will tag new posts as I deem essential.

While I'm at it, I'll post a few more links to which I typically refer people: