How to solve the problem that Virtrualbox cannot create a new 64bit system

If your virtrualbox can't create a new 64bit virtual machine, there are two reasons:
1, the computer is 32-bit, does not support the creation of 64bit virtual machine
2, the computer does not support the Intel Vt-x, or the Intel Vt-x does not open
can use a software directly to detect the above two points,: https://www.grc.com/securable.htm
After clicking Run, the interface is as follows:

The first 64-bit indicates how many bits of system your computer supports, 32 or 64.

The second indicates if your hardware supports DEP? Yes, support. No, not supported. Off, which indicates support, but closed.

The third one indicates whether your computer supports CPU virtualization (Intel vt-x). Yes, support. No, not supported. Off, which is supported, but closed, need to be opened manually.

For a computer that does not support virtualization on the CPU, it seems that there is no way to install a 64bit virtual machine. For a computer that is supported but not turned on, it can be turned on after booting into the BIOS.

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How to solve the problem that Virtrualbox cannot create a new 64bit system