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Yann GEFFROTIN edited this page Aug 22, 2025 · 5 revisions
  1. Be sure to have sufficient amount of free space before installing.
  2. Go to the Microsoft store and search “Microsoft Visual Studio Community 2022”
  • Click install
  • Use visual studio installer
  • Select C# because FlashDevelop use it at 64.5%
  1. Choose if you trust github.com
  2. Download “master branch” on https://github.com/fdorg/flashdevelop *. Unzip the solution.
  3. Open “a project or a solution” FlashDevelop master Source Code in “Microsoft Visual Studio 2022” or later.
  • Choose Flashdevelop.sln
  • You need to download and install .NET Framework 4.0 or superior. (4.8 developer recommended)
  • Configure target framework.
  1. Go in “Solution explorer”, search and right click “FlashDevelop”, select “Build” solution
  • Install missing dependencies if any. (.NET Framework 2, .NET Framework 3, .NET Framework 3.5)
  • Read error messages ; if any, and take corrective actions. i. If the program couldn’t process a file “*.resx” -> search it, find it and right click -> “Unblock” it. ii. CS0121 : “The call is ambiguous between the following methods or properties”
  1. Test Build in FlashDevelop > Bin > Debug > FlashDevelop.exe on Microsoft Windows.
  • You should have a “FlashDevelop64.exe” available.
  • The app should launch.
  • Create or Import a ‘AS3 file’ or a ‘*.as3proj’
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