I would do a bit more research first.
HP supports XP > Windows 8.1 on that specific model number.
https://support.hp.com/us-en/drivers/selfservice/hp-EliteBook-8560p-notebook-pc/5056949
HP Products Tested with Windows 10
@@@@@@@@@@@@@@@@@@@@@@@@@@
"Windows 10 System Requirements"
https://www.thurrott.com/windows/windows-10/3884/windows-10-system-requirements
https://www.microsoft.com/en-US/windows/windows-10-specifications#sysreqs
If you read those Microsoft's system requirements for 10, you will find that if you only go on them you will be sadly disappointed in performance.
You should at least double what they say.
@@@@@@@@@@@@@@@@@@@@@@
Detailed information on Minimum hardware requirements:
@@@@@@@@@@@@@@@@@@@@@@
How to buy Windows 10:
http://www.microsoftstore.com/store/msusa/en\_US/cat/Windows/categoryID.70036700
Use the Windows 10 media creation tool on the Software download page
"How to Clean Install Windows 10"
http://www.tenforums.com/tutorials/1950-windows-10-clean-install.html
_______________________________________________
How to Create Bootable USB Flash Drive to Install Windows 10 from
This tutorial will show you how to create a bootable USB flash drive that can be used to installWindows 10 with or without UEFI.
________________________________________________
To access BIOS/UEFI - UEFI/EFI configuration:
https://neosmart.net/wiki/boot-usb-drive/
_____________________________________
"Activation in Windows 10" (Digital entitlement)
https://support.microsoft.com/en-au/help/12440/windows-10-activation
Cheers.