To do that we need the executable MSbuild.exe to build our project. Normally its part of the environment variables so if you open command window and type MSBuild.exe and hit enter. If you see any error saying that the command is not found then it means that its not part of the environment variable.
Normally its located at this path C:\Program Files (x86)\MSBuild\14.0\Bin so either you open this path and write the command there or you add that to the environment variables.
After that its really easy to run the build all you have to do is write the command
MSBuild.exe solutionname.sln
This command will build the solution. This command could come really handy if you plan to make your own power tools.