Windows 10 installed on Win8.1 system to form a dual system method

Windows10 can be installed on the Windows 8.1 operating system to form a dual system? The answer is of course possible. The following is a small series of tutorials on how to install Windows 10 on a Windows 8.1 system to form a dual system.




My Windows8.1 is the motherboard UEFI boot, the hard disk partition format is GPT dynamic, I used the built-in disk management function under 8.1 to compress the original system disk to 50G to create a new simple partition. , assign the drive letter; then directly double-click the image to load the ISO file, run the setup.exe under the source folder, and then select the definition, install to the newly created partition just fine.
There will be restarted once, prompting to choose to boot the system, I only have Windows port and Windows8.1, which is garbled behind Windows10, but this is limited to here, continue to install after entering, restart after success Once, the choice to start the system is the UEFI interface, quite human.
About the boot option, you can use Win+R to run “MSConfig” to modify the default entry for booting.
Install Win10 and Win8.1 dual system, so you can get some insurance compared to installing Win10 system separately. When Win10 goes wrong, you can switch to Win8.1. If you are really eager for Windows 10, then take action.