BOSH produces official stemcells for popular operating systems and infrastructures. For infrastructures that support it, light stemcells are a more efficient way to reference stemcells that we have pre-uploaded and shared within the IaaS.
You can upload the latest version to your director with the
bosh upload-stemcell --sha1 c61506df4368ede76e97f011fec49589c242aff9 \ https://bosh.io/d/stemcells/bosh-google-kvm-windows2019-go_agent?v=2019.4
And reference this stemcell in your deployment manifest from the
- alias: "default" os: "windows2019" version: "2019.4"
Windows instance types will have additional costs associated with Microsoft licensing. Windows stemcell do not include actual Windows OS.