Dual Booting Windows 8.1 with Windows 10

[+Tyranade Subscriber²]

So I decided to try and dual boot my Windows 8.1 install with Windows 10 so what I did was I downloaded and extracted the ISO file from the microsoft website and ran the install and during the initial setup before the reboot I selected the blank 320 gigabyte drive inside my machine and the install rebooted and it carried on. After the 2nd restart on Completing installation the Installer crashed and would not continue.

 

Idid some googling and I am apparently meant to have a boot screen that looks like this http://cdn3.howtogeek.com/wp-content/uploads/2014/10/650x300xdual-boot-windows-10-and-windows-7-or-8.png.pagespeed.ic.SBFAO5uhg0.png but I got the old ascii style screen with Windows Technical Preview, Windows Setup and Windows 8. Now I am not sure if this is because my Windows 8 is installed in Legacay mode (I couldn't figure out the settings in the BIOS of my motherboard to do UEFI install as you need to change some settings and I cant figure out what they are).

 

I am thinking that maybe it is because I did not Install from a USB stick which I might try but I am not sure if that will work if my Windows 8.1 install is in Legacy mode not UEFI and I want to use the windows 8.1 boot loader so I do not have to ###### around with reinstalling my main OS once im done with it.

[Seahorsepip Veteran]

Install easybcd and set windows 10 as default that shoudl solve the problem I think.

[Draggendrop Veteran]

On my machine, I triple boot Win7,8x and 10, used easybcd to make any system the preferred with timer. My system is legacy, and I did clean install from DVD. The real thing that bit me was....MAKE sure fast boot is OFF....It is a form of hibernation and if you start another system, you will repeatedly get a message for corrupted disk on all partitions and be forced into diskcheck. The problem is the data written by fast start. Hope that helps...Cheers...