Why can't Win10 install dual systems?

The installation process of Win10 system is special. Win10 is not reinstalled on the original hard disk, but upgraded on the basis of Win7 and Win8 systems. After the upgrade, Win7 and Win8 disappeared. And Microsoft also set a limit for Win10, so you can't let Win10 install dual systems. What's going on?

After the official release version of Win10, Win10 computer pre-installed UEFI Secure Boot function must be enabled, according to a documented exposure. This means that if a manufacturer's factory settings have the UEFI feature turned on by default, the user will not be able to shut down by themselves and will not be able to install any operating system other than Windows.

From the above information we can understand, Win10 computer system can not be installed dual system depends on whether the computer is UEFI mode can be turned off and change, if Microsoft is forced to push the joint manufacturers only support UEFI boot mode Then, except for the Win10 system, other systems can't be installed, let alone dual systems. As for now, everything is still unknown. We can also use the mbr method to install the test version of win10, or you can install dual systems. .

The above is the introduction of Win10 why can not install dual system, of course, this is only theoretically unable to install dual systems, but the method is created by people. In fact, there are still many ways to let us install dual systems in the Win10 system.