Where to find Windows Version and Build Number

Some time you make a call to a vendor's support center to resolve some issue on your machine, you get asked the question about Windows Version or Build number on your machine. A lot of windows a simple answer like "I am running Windows 10" may be sufficient. Some time you may have to provide specific version and build number of Windows installed on your machine. Or you may need to find this information to check what new features of Windows are available. This video shows how you can find Windows Version and Build number on your machine.