Step 1: Create an empty project via File -> New Project.
Step 2: Right click the project solution and select Build Dependencies->Build Customizations.
Step 3: Check the checkbox ".masm".
Step 4: Press the button "ok".
Step 5: Create your assembly file and type in this:
.386
.model small
.code
public main
main proc
; Ends program normally
ret
main endp
end main
Step 6: Compile!