Run where dotnet from the command line. If the output is similar to: C:\Program Files (x86)\dotnet\dotnet.exe C:\Program Files\dotnet\dotnet.exe Then both the 32-bit and 64-bit versions of the SDK have been installed at some time. 32 bit --- C:\Program Files (x86)\dotnet\dotnet.exe 64 bit --- C:\Program Files\dotnet\dotnet.exe The first SDK installed on the computer puts...