HDD serial number flipped every 2 bytes in Windows XP, Vista and 7 but not in Windows 8

Question

I need to get HDD serial number to use it as a key for licensing a software. I used diskid32 code in this url: http://www.winsim.com/d

Answer 1

Seem you have to check for windows version through API and add if() branch to your code if version is high enough

My devs found other problem with this method - that kind of IOCtl code relies on program is being run with administrator rights on Win7\Win8+. In cause of our software, it's service that is run with system rights and clients software that is strictly run with user rights