Roughly, what percentage of “business” users have .NET 2.0, 3.0, 3.5, 4.0 installed?

Posted by Dan W on Programmers See other posts from Programmers or by Dan W
Published on 2012-09-23T18:26:26Z Indexed on 2012/09/23 21:48 UTC
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c#

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.NET

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business

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compatibility

Home use has already (somewhat) been established, but I'm curious about business users. Approximately, what percentage of business users worldwide have .NET 3.5 runtime installed? Client profile will do, since that's what I compile my app to (though others may be interested in the full, so maybe answer that too).

I'm only looking for rough estimates, but I'd like to hear separate percentage figures for: 2.0, 3.0, 3.5, 3.5 CP, 4.0, 4.0 CP, 4.5

(note: percentages won't total 100%, since many users can have two or more .NET versions simultaneously).

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