I need to know any hardware id which will never change? Like HDD, GPU, CPU or BIOS serial that unique and can't changeable.
I tried to use QNetworkInterface but It couldn't helped because
On one hand even if I format the OS and reinstall it MAC "QNetworkInterface::hardwareAddress()" doesn't changes but it can be chanced by anybody.
On the other hand if I use "QNetworkInterface::name()" It can't be changed by anybody but after formating the system and reinstalling the OS, it change randomly.
I need any unique and not changeable serial number (or string) of hardware
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