Just to offer the counterpoint so that there can be a proper voting.

No, they're out of scope
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 1. It's a Google question. Google even has already an advertisement about that on top of the first result. No Community Wiki will ever beat the speed of Google. The second result is the official step-by-step guide. That leads to the next point.
 2. It's not a good Stack Exchange question. Stack Exchange is not there to duplicate good content. There's no real underlying problem since people who consider buying crypto-currencies can surely use a search engine and follow a list of easy steps.
 3. Question that are being permitted set a sites tone. While helpful for the people who just read another question on the stack it's not the sort of question that pulls in people that offer expertise to offer non-trivial questions.