How to Convert BIOS mode Legacy to UEFI of Installed Windows 10/8.1/7 (Advanced tutorial)

How to Convert BIOS mode Legacy to UEFI of Installed Windows 10/8.1/7 (Advanced tutorial)
Hi guys, here I showed up on this video how to convert BIOS mode Legacy to UEFI of an already Installed windows without losing data. Want to converting windows installation from legacy to uefi and that's why you going to reinstall Windows for changing to UEFI mode because you need to wipe the hard drive and then convert to GPT disk. Actually, you do not have to go through all that, by following this instructions in this tutorial, you can easily convert MBR disk to GPT and move from BIOS to UEFI on Windows 10.

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[CGPT]

Who could've guessed that this would be so very useful 3 years later to install Windows 11 without having to format the PC?!?! Very nice!!

[deweyhason]

Your Content is seriously underrated 😭. You make great videos, keep it up

[karannasit]

When i type last line Then hit enter i got error give me line what u write there

[Ottonic]

Kinda confused me for a minute. It said before you converted to GPT it said the operation will overwrite all partitions so I thought it would wipe the Data which didn't really make sense.. But when I installed W 10 it put my System Reserve partition on the other HDD which is already GPT, so that shouldn't matter. All I am going to do is convert the OS drive to GPT and BIOS from Legacy to UEFI, then shrink Windows 300MB, then create the EFI partition in the 300MB space I cleared, followed by building the BCD... Right?... I hope it works. Or maybe I will look and see if I can move my System Reserve partition to my Windows drive also... Thanks!... UPDATE>> I had read that if you have more than one partition you will have a system reserve. I only have one partition with everything on it so I took the other HDD out and the system booted right up. No startup repair, just quickly booted into windows. But if I do this I will be adding the EFI partition so I guess that means I will probably have to add the S.R. partition. Not sure. A little more research on that matter. Thanks!

[krisanup]

It's works for me & now waiting for Windows 11. Thank you for your tutorial ❤️❤️❤️🙏

[hamzehugur]

I am here because of installing windows 11, this video helped me 3 years later ✅

[nicolasthollot]

I’m on minute 7, I only have 1 primary and 2 recoveries. Not 2 primaries. Help!

[harrysookraj]

Need a little advice, when I reach on the command of DISKPART> format fs = fat 32 quick, and I click enter. It says virtual disk service error:
The volume size is to big.
Please can someone help me out

[jedieduforce]

You are the MAN!!!! Works like a charm.

[reactvscode]

my ssd partition type is MBR..so while making the usb boot drive do i give partition scheme MBR or GPT?

[saitalloju]

Thanks for everything.
You made my day now... 😍😍😍

[fbi-fullbloodedigorot]

Hi, am not that kind of techie person, but I want to convert BIOS mode Legacy to UEFI on my PC. Could you please list down the command you entered, the exact order as you demo? Please add in the comment, sir. Thanks in advance.

[shahkhalid]

the current version of windows is not supported after executing gdisk.exe, what to do?windows 10(version 1809 - latest), also mbr2gpt tool gives error (disk layout validation failed for disk 0)

[renatos]

Hello, assuming your windows 10 language is not en-us, but italian, what should I type at min. 10:00 of your tutorial? Thanks

[__________________________]

It Works!!! but before i can boot it up i got to a little prob my pc cant boot up missing device well to my noobness i forgot to switch from legacy mode to UEFI mode lol so after setting that up it works like charm thanks for this awesome info buddy!! keep it up!!

[rexrock]

I cant copy files to the eufi partion its says failed all other steps works fine

[kreje]

Can you help me? The advanced option is missing from my bios setup how to get it

[kolbecollett]

What can I do if it doesn’t successfully create the boot file

[suicidesquad]

hp pavilion dv6.. after this i am facing no bootable device found error.. plz help 😓

[muhammadkamran]

Smae situation with me my hard is not booting in dell optiplex 755 after converting to gpt..