To make sure Windows runs well on Compute Engine, it’s necessary to apply a few customizations to the operating system. When you create a VM instance by using one of the public images, these customizations are applied by default. If you take the alternative route and import an existing image from a VHD or VMDK file, then the import process takes care of applying the same changes. The customizations fall into two categories: (1) settings and (2) pre-installed drivers and software. The driver...