The tool you suggested doesn't work for win 8. I tried Intel® Processor Identification Utility instead and it sure says the processor supports VMX. It doesn't say whether it's enabled or not.
Would appreciate your advise on how to enable it.
Update on this. A couple of days days ago I did a clean install of Windows 8.1 on my laptop. After that VMX did appear as enabled (green in HWiNFO) but today I've noticed VMX was red again. How's that even possible? I did update BIOS to A10 during clean install but I didn't make any changes in it. I did install XTU just to check what it shows but again I didn't make any changes in it as well and then uninstalled it.