Have a read of post two.
Type: Posts; User: theog
Have a read of post two.
Drive would need to be all unallocated, for Windows 10 to make the System Recovery partition.
I would use a VM.
...
DISABLE Quick Boot in the BIOS.
Hi
My Windows to Go installed in 30 mins.
This is the other one.
Download Windows Technical Preview ISO - Microsoft Windows
TechNet Evaluation Center
Windows 10 Technical Preview for Enterprise | TechNet Evaluation Center
Do you have your dual boot menu now ?
https://www.tenforums.com/installation-and-setup/2044-boot-select-screen.html
If NO, run EasyBCD first, than remove drive letter.
Try using EasyBCD 2.2 in Win 8 to add Windows 10 to boot.
EasyBCD - NeoSmart Technologies
The same as doing Windows 7 & 8.
Dual Boot Installation - Windows 8 and Windows 7 or Vista
Windows 8.1 had problems with NVIDIA Geforce cards.
Windows 10: Why Microsoft skipped Windows 9 - Gadgets and Tech - Life and Style - The Independent
This is not a VM.
No Upgrade problems, Windows 8.1 Enterprise to Windows 10 Enterprise.
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Ray.
UEFI Bootable USB Flash Drive - Create in Windows
Have you tried Option Two.(Manually).
You could try the TechNet Evaluation Center ISO.
https://www.tenforums.com/tutorials/1950-windows-10-technical-preview-clean-install.html#step19
Step 19.
https://www.tenforums.com/installation-and-setup/1783-questions-about-dual-booting-windows-8-9-a-post149995.html#post149995
Two Updates ready.
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:ditto:
No problems with UEFI Dual boot Windows 8/8.1 & 10.
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No problems with UEFI Dual boot Windows 8/8.1 & 10. (Secure Boot ENABLED)
Disc ready & waiting.
Under £19 at dads UK...
Computer Does not Start After Installing a Video Card (Windows 8) | HP® Support
Just the OEM manufacturers wording.
My wording in most posts is UEFI/BIOS frimware.
Windows 9 preview ISO file may be leaked after 15 september | Windows Blue full
Secure Boot warning screenshot.
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Secure Boot - Enable or Disable in UEFI