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Editorial Team
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Asked: 2026-05-15T23:34:40+00:00

Hey guys – I just wrote an app using c# and ready to deploy

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Hey guys – I just wrote an app using c# and ready to deploy it. Never deployed a c# app before.

I deployed it and VC# outputted a .application file, application folder, and an installer. One of my users ran the installer (Windows 7) and was prompted to download/install the .net framework – which took upwards of 10 minutes. This is not acceptable for how simple my app is.

Moreover, I will need this app to be able to run on mac osx and linux if possible. Should I have wrote this in Java instead (poor planning on my part). What are my options?

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  1. Editorial Team

    C# is compiled to bytecode that runs on the CLR, the virtual machine that’s at the core of the .NET framework. So yes, you need the .NET framework to run that.

    Most current versions of Windows (XP, Vista, 7, etc.) come with some version of the .NET framework pre-installed, so your users don’t have to download and install it. However, you might have used a version that’s not already installed on the computers of (some of) your users.

    For Linux and Mac OS X there is Mono, which is an open source implementation of .NET, but it does not contain everything that Microsoft’s .NET contains, so your program might not work fully on Mono.

    Using Java is not a real solution in the sense that your users would need to download and install the JRE (Java Runtime Environment) to run Java programs, very similar to the .NET framework. An advantage if you’d have used Java, is that Java is much more cross-platform compatible than .NET (Microsoft has no real interest in making .NET run on anything else than Windows).

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