I am considering helping an open-source gaming project with creating their setup file. The game is currently weights around 300 MB and is packaged in a zip file, playable st
Not in the light category... but may help you chose between the light ones .. InstallShield Multiplatform (or its more recent cousins) will give you the benefit of an entire language (Java) to configure and deploy your applicaiton
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I haven't tried some of the above suggestions but after struggling with arcane install issues for many years this one finally let me forget I had an installer... Which is the most important feature by far.