(Answered by Trevor Robinson) Load the supplied Visual Studio solution file, either msvc\gtest-md.sln or msvc\gtest.sln. Go through the migration wizard to migrate the solution and project files to Visual Studio 2008. Select Configuration Manager… from the Build menu. Select from the Active solution platform dropdown. Select x64 from the new platform dropdown, leave Copy settings from set to Win32 and Create new project platforms checked, then click OK. You now have Win32 and x64 platform configurations, selectable from the Standard toolbar, which allow you to toggle between building 32-bit or 64-bit binaries (or both at once using Batch Build). In order to prevent build output files from overwriting one another, you’ll need to change the Intermediate Directory settings for the newly created platform configuration across all the projects. To do this, multi-select (e.g. using shift-click) all projects (but not the solution) in the Solution Explorer. Right-click one of them an