使用Vista中的一个API:GetProductInfo中可以获取到Vista的所有版本信息,总共可以探测到25个不同版本.真的有这么多?其实,称为Vista的并没有这么多,这其中包括了Windows Server "Longhorn"（正式版未必会有Vista的称谓）.
| PRODUCT_BUSINESS 0x00000006 | Windows Vista Business |
| PRODUCT_BUSINESS_N 0x00000010 | TBD |
| PRODUCT_CLUSTER_SERVER 0x00000012 | TBD |
| PRODUCT_DATACENTER_SERVER 0x00000008 | Windows Server "Longhorn", Datacenter Edition (Full installation) |
| PRODUCT_DATACENTER_SERVER_CORE 0x0000000C | Windows Server "Longhorn", Datacenter Edition (Server Core installation) |
| PRODUCT_ENTERPRISE 0x00000004 | Windows Vista Enterprise |
| PRODUCT_ENTERPRISE_SERVER 0x0000000A | Windows Server "Longhorn", Enterprise Edition (Full installation) |
| PRODUCT_ENTERPRISE_SERVER_CORE 0x0000000E | Windows Server "Longhorn", Enterprise Edition (Server Core installation) |
| PRODUCT_ENTERPRISE_SERVER_IA64 0x0000000F | Windows Server "Longhorn", Enterprise Edition for Itanium-based Systems |
| PRODUCT_HOME_BASIC 0x00000002 | Windows Vista Home Basic |
| PRODUCT_HOME_BASIC_N 0x00000005 | TBD |
| PRODUCT_HOME_PREMIUM 0x00000003 | Windows Vista Home Premium |
| PRODUCT_HOME_SERVER 0x00000013 | TBD |
| PRODUCT_SERVER_FOR_SMALLBUSINESS 0x00000018 | TBD |
| PRODUCT_SMALLBUSINESS_SERVER 0x00000009 | TBD |
| PRODUCT_SMALLBUSINESS_SERVER_PREMIUM 0x00000019 | TBD |
| PRODUCT_STANDARD_SERVER 0x00000007 | Windows Server "Longhorn" (Full installation) |
| PRODUCT_STANDARD_SERVER_CORE 0x0000000D | Windows Server "Longhorn" (Server Core installation) |
| PRODUCT_STARTER 0x0000000B | TBD |
| PRODUCT_STORAGE_ENTERPRISE_SERVER 0x000000 | TBD |
| PRODUCT_STORAGE_EXPRESS_SERVER 0x00000014 | TBD |
| PRODUCT_STORAGE_STANDARD_SERVER 0x00000015 | TBD |
| PRODUCT_STORAGE_WORKGROUP_SERVER 0x00000016 | TBD |
| PRODUCT_ULTIMATE 0x00000001 | Windows Vista Ultimate |
| PRODUCT_WEB_SERVER 0x00000011 | TBD |