Windows 10: Dual boot, Windows 10 pro, x64

Hello guys, As I have intermittent problems with my current double boot I want to start from scratch, delete all windows partitions and efi. I wanna make a dual boot for Windows 10 pro with the following config :SSD 1: windows 10 pro partition with bitlocker activated , 1efi active partition SSD 2: windows 10 pro partition without bitlocker , 1 efi active partition Will use UEFI mode with Gpt style partition. I will use the first installation for more sensitive tasks, the other one for day to day work. My questions are :1.Can I make an efi active partition on each disk and still be able to boo

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Dual boot licensing, Win 10 x64 + Win 10 x64

I would like to install two instances of Win 10 Pro x64 on one computer and run dual boot. How many licenses are required?

 

Dual Booting with Windows 8.1


The procedure below will allow you to boot Windows separately or in dual boot configuration.
Here's what I recommend to do:

1. Disconnect the drive containing Windows 8.1
2. Install Windows 10 with one drive connected.
3. After step 2, reconnect the drive containing Windows 8.1
4. Boot up Windows 8.1. Open disk management and take a note of the drive letter of Windows 10 OS.
   NOTE: if you boot up Windows 10, then take a note of Windows 8.1 drive letter
5. Open Admin command prompt and type: bcdboot X:\windows where X: is the drive letter of Windows 10 (Windows 8.1 if you boot from Windows 10 in step 4)
6. Reboot the PC. You should have a dual boot screen.

NOTE: To break off the dual boot setting, Win+R->msconfig->boot and delete the none default entry on the list.

 

Broken dual boot W10/8

Windows dual boot menu for some reason no longer displayed and W8 boots. The Windows dual boot menu that used to be displayed, listed W10 and W8. The W10 was shown as the default. The OSes are W10 Pro 21H1 and W8.1 Pro.

How can I recover the Windows dual boot menu? Any suggestion is appreciated.