Here is a software to check the capabilities of your System with Windows 7
The name is Securable
The first section shows you what Operating System bit you can run on you computer.
- If you have 64bit appearing you can run both 64bit and 32bit Windows 7
- If you have 32bit appearing you can only run 32bit Windows 7
The second section check if the processor support Hardware DEP.
- It checks if your Processor support hardware data flagging function to prevent buffer overrun to prevent malware exploits.
- VT support check if your Processor can support Windows Xp Virtualisation in Windows 7