A lot of these programs require your own account: 

Unity Account – https://unity3d.com/ 

Epic Games (Unreal Engine 4) Account – https://www.unrealengine.com/what-is-unreal-engine-4

Microsoft Visual Studio Account – https://www.visualstudio.com/ 

Xenko – https://store.xenko.com/get-xenko

PS: https://blogs.msdn.microsoft.com/somasegar/2015/04/17/visual-studio-for-game-development-new-partnerships-with-unity-unreal-engine-and-cocos2d/

Blender – no account – https://www.blender.org/

Blender Examples – https://www.blender.org/download/demo-files/