C# Question
Unable to change platform of setup project in visual studio-15
I could not find any platform option in setup project for deployment.
Answer
You can set the platform as follows.
From the Solution Explorer, Select your Setup project press F4 key. In the properties window that appear (Deployment Project Properties), scroll down and set TargetPlatform to x64.Build the project and the setup will be for x64 platforms.
Source (Stackoverflow)