Open edX is a large complex system. We Ideally, you won't install it and run it yourself. There are Open edX Service Providers that can do these things for you, and even self-service deployment options that are really great if you just want to try out Open edX.
BUT: if you do want to install it yourself, read on:
We've tried to simplify the installation by providing a small number of options, prepackaged to varying degrees. Before installing Open edX, you have two decisions to make:
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