
Also, removing or repairing a corrupted dual boot is not easy. For example, if you install Windows 10 on a second hard drive and your main boot drive fails (which contains your old copy of Windows), then you will not be able to boot into Windows 10. Please note that dual boot or multiboot operating systems can become overly complicated, especially later on. That will effectively tell the Windows 10 installer that you are creating a dual boot system.

Once the bootable DVD or USB is created, you would reboot your computer and boot from the newly created media, then choose an Advanced Windows installation, and select an empty partition for Windows 10. ISO when it becomes available and burn it to DVD, or create a bootable USB drive. You will then need to obtain the Windows 10. If you want to keep your old version of Windows using a dual boot (otherwise known as a ' multiboot'), then you would have to create a new hard drive partition for Windows 10 on your existing drive, or use a second hard drive inside the same machine. Dual Boot Windows 10 and Keep Your Previous Windows Install That said, it is possible to keep your old Windows installation alive and kicking if you dual boot Windows 10, or convert your existing Windows installation into a virtual machine. The majority of users will be performing an in-place upgrade to Windows 10, which is downloaded via Windows Update. That's because the in-place upgrade to Windows 10 will effectively replace your old version of Windows, porting your programs and user data over to the new Windows 10 system. If you are performing an in-place upgrade of Windows 10, then you will not have a choice as to which operating system you want to boot into.

My question is this: if I upgrade to Windows 10, can I keep my old version of Windows on the same machine and boot from it? " I have a machine with Windows 7 and another with Windows 8, both of which have reserved the free upgrade to Windows 10. I have a question regarding upgrading to Windows 10. Thanks for the great website and newsletter.
