Follow along with the video below to see how to install our site as a web app on your home screen.
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That's true an .exe file is a viable alternative, but a lot of people are more savvy these days to how virus attacts get started. Many won't open an .exe files unless they're absolutely sure about it's contents. So, the PDF is still a little better choice for most.
Nice part for the author of an .exe file though, is it's much harder to steal the contents of that type of ebook.