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Hi Guys here’s the step in triple booting our laptop with Windows 11, Ubuntu and Chrome OS. If you have some clarification please hesitate to drop your comment below.
1: Download and Install windows 11
2: Download Ubuntu 20.04 ISO Files (at least 8GB)
https://ubuntu.com/#download
3: Download and Install Rufus
https://rufus.ie/en/
4. Create Ubuntu Bootable Device
5. Download Brunch File
https://github.com/sebanc/brunch/releases
6. Download Rammus Recovery File
https://cros-updates-serving.appspot.com/
7. Download multi_install.sh command
https://app.box.com/s/v94g9h9778vougxrln5g8bhy7flwxked
8. Download and Install Grub2win
https://sourceforge.net/projects/grub2win/
9. Extract Brunch File and Rammus Recovery File
10. Create new folder and transfer all Extracted file including the multi_instal.sh
11. Transfer Created folder (Chrome OS) to your Ubuntu bootable device
12. Disable Secure boot
13. Install windows 11 and Make sure you make separate partition.
https://youtu.be/g5tYYLCYUcc
14.Install Ubuntu OS
https://youtu.be/rOuY7UlQYvI
15. Create Ext4 partition for Ubuntu OS
-Logical
-Beginning of Space
-Ext4 Journaling file system
-Mountpoint
16.Set Up Ubuntu OS
17. Open Ubuntu Bootable Device and go to Chrome OS Folder
18. Open Terminal and type sudo sh multi_install.sh
19. if Error will happen copy chrome OS File to New Flash drive
20. open terminal again in Chrome OS inside a new Flash Drive
21. Make Partition for your Chrome OS file System
– File System NTFS
-Name Chrome OS
22. Type the partition Name
23. Restart your computer and go to windows 11
24. Go to disk management and open Chrome OS Partition then Copy Chrome OS Grub
25. Set Up Grub2win file
-Manage boot Menu
-add new entry
-Edit Custom Code
-Save
-Apply and OK
26. Go to Chome OS
27. Set up Chome OS
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