The metro based Windows 8 already get released. But it i important to know what all devices work with Windows 8. You can check what will work with Windows 8 using windows compatibility center.
Windows Compatibility center allows you to choose the version of Windows to check up for the compatibility and you have to provide the product name in the requested filed. Then Microsoft will inform you about whether your device or application is compatible with Windows 8 Windows RT and Windows 7. After the testing had done the compatibility results shown as
Microsoft Inc also provides product certification after compatibility test
1.Compatible to Windows 8 and Windows RT –This status of certification shows that your product is compatible with both Windows RT and Windows 8 operating system.
2.Compatible with Windows 8- The Windows 8 certification status ensures well works with Windows 8.
3.Compatible with Windows 7- this status ensured you that your product supports Windows 7 operating system.
Windows compatibility center also allows you to upgrade the software to make compatible with the current operating system