I work on an x86 pc and use .NET4.0 (same probelem with 3.5) in VS2010. When I make a new Project (e.g. WinFormsApp), the first thing I want to do is to change the target pl
To change target platform do the following:
[1.] Open the configuration manager
[2.] In platforms, select new.
[3.] New platform select x64 or you need, in "copy settings from" select "Any CPU" or "Empty", and uncheck the "Create new solution platforms"
source: ericklan.com
You can proceed as follow to configure the target platform:
In the configuration Manager, you can add a new platform for your project. However, you need to uncheck the "Create new solution platforms" if you already added the platform for your solution, otherwise you will indeed get the warning that the solution platform is already there.