1. Press Esc + Refresh + Power
2. Press Ctrl + D and press Enter to enable developer mode
3. Press Ctrl + D to boot Chrome OS
4. Open a tab and press Ctrl + Alt + T
5. Type in "shell" and press Enter.
6. Paste the following into the shell and press enter
   

   curl https://chrx.org/ | sudo tar xzfC - /usr/local && chrx

7. Follow the instructions to allocate storage space for Windows (Do not run chrx a second time to install Linux).

1. If you haven't rebooted already after partitioning with chrx, reboot and press Ctrl + D to let Chrome OS repair itself.
2. Press Ctrl + D to boot Chrome OS
3. Open a tab and press Ctrl + Alt + T
4. Type in "shell" and press Enter.
5. Paste the following into the shell and press enter
   

   cd; curl -LO mrchromebox.tech/firmware-util.sh; sudo install -Dt /usr/local/bin -m 755 firmware-util.sh; sudo firmware-util.sh

6. Select "RW_LEGACY" from the options.
7. Paste the following into the shell and press enter
   

   cd; curl -LO https://coolstar.org/chromebook/windows-rwl/install-rwl.sh; sudo bash install-rwl.sh

8. Follow the instructions to set up your partition for Windows and install OpenCore with patches

1. Turn off your device, open the back and remove the Write Protect Screw.
2. Press Esc + Refresh + Power
3. Press Ctrl + D and press Enter to enable developer mode
4. Press Ctrl + D to boot Chrome OS
5. Open a tab and press Ctrl + Alt + T
6. Type in "shell" and press Enter.
7. Paste the following into the shell and press enter
   

   cd; curl -LO mrchromebox.tech/firmware-util.sh; sudo install -Dt /usr/local/bin -m 755 firmware-util.sh; sudo firmware-util.sh

8. Select "Full UEFI Firmware" from the options.

Note: Does not need to be done if you just flashed firmware from Chrome OS or Linux! To Update Firmware from Inside Windows, you may use this tool: Download: Link

1. On another computer, create a Windows 10 installer with Rufus as "GPT for UEFI"
2. Plug the USB Drive into the chromebook
3. Plug a USB keyboard or mouse in for installation
4. Turn on the chromebook, and let it boot the USB drive

Note: If you need to select a different boot device, press any key in "Select Boot Option". Then select "Boot Manager" to select your boot drive.

1. On another computer, create a Windows 10 or 11 installer with Rufus as "GPT for UEFI"
2. Plug the USB Drive into the chromebook
3. Plug a USB keyboard or mouse in for installation
4. Turn on the chromebook, and let it boot the USB drive

Note: If you need to select a different boot device, select it in rEFInd. Do not press esc on "Select Boot Option" as OpenCore must run patches on boot first.

1. At the Windows installer, press Shift + F10 (Volume Up) to open command prompt
2. Type in "regedit" and press enter
3. Navigate to HKEY_LOCAL_MACHINE\SYSTEM\Setup
4. Right click setup and create a new Key called "LabConfig"
5. Right click LabConfig and create new DWORD (32 bit) called "BypassSecureBootCheck" and set it to 1
6. Right click LabConfig and create new DWORD (32 bit) called "BypassTPMCheck" and set it to 1
7. Close regedit and command prompt and proceed with installation normally

Note: This step is not required for Windows 10.

Download: Link
Simply run the installer to install the libraries.
Note: Several drivers listed below require this to be installed to work properly.

Download: Link
Simply run the installer to install the driver.
Note: If you are booting with RW_LEGACY, you MUST install this driver for working sleep/wake

Download: Link
Simply run the installer to install the driver.

Download: Link
(The driver from Windows works, but the one linked on Intel's website is specialized and delivers better battery life).

Download: Link
The driver I2C from Windows Update does not work. Make sure to install this for working touchpad/touch screen.

Download: Link
(The driver from Windows works, but the one linked on Intel's website is specialized and delivers better battery life).

Download: Link

Download: Link
Note: There is a bug that causes high CPU usage. To fix it, go to C:\Windows\System32 and rename clinfo.exe to clinfo2.exe

1. After Windows installation, boot to the installer again
2. Press Shift + F10 to open Command Prompt
3. Type in the following command:
   

   bcdedit /set {default} useplatformclock on

4. Press Enter
5. Restart Windows into the installed copy

Note: This utility adds key remppings for your chromebook. Download: Link
Simply run the installer to install the utility. List of remappings:

1. LCtrl + F1 (Back Arrow): Browser Back
2. LCtrl + F2 (Forward Arrow): Browser Forward
3. LCtrl + F3 (Refresh): Browser Refresh/F5
4. LCtrl + F4 (Full Screen): Full Screen/F11
5. LCtrl + LShift + F4 (Full Screen): Project/Extend Screen
6. LCtrl + F5 (Window List): Task View (Windows 10 / 11)
7. LCtrl + LShift + F5 (Window List): Take Screenshot
8. LCtrl + F6 (Brightness Down): Brightness Down
9. LCtrl + F7 (Brightness Up): Brightness Up
10. LCtrl + LAlt + F6 (Brightness Down): Keyboard Backlight Brightness Down
11. LCtrl + LAlt + F7 (Brightness Up): Keyboard Backlight Brightness Up
12. LCtrl + F8 (Volume Mute): Volume Mute
13. LCtrl + F9 (Volume Down): Volume Down
14. LCtrl + F10 (Volume Up): Volume Up
15. LCtrl + Left Arrow: Home
16. LCtrl + Right Arrow: End
17. LCtrl + Up Arrow: Page Up
18. LCtrl + Down Arrow: Down
19. LCtrl + Backspace: Delete
20. RCtrl + 1: F1
21. RCtrl + 2: F2
22. RCtrl + 3: F3
23. RCtrl + 4: F4
24. RCtrl + 5: F5
25. RCtrl + 6: F6
26. RCtrl + 7: F7
27. RCtrl + 8: F8
28. RCtrl + 9: F9
29. RCtrl + 0: F10
30. RCtrl + -: F11
31. RCtrl + =: F12

Download: Link
Simply run the installer to install the driver.

Download: Link
Simply run the installer to install the driver.

Download: Link
Download and run the installer.

Download: Link
Download and run the installer.

Download: Link
Download and run the installer.

Download: Link
Download and run the installer.

Download: Link
Download and run the installer.

Download: Link
Download and run the installer.

Coming soon! Check back around mid-October!

Purchase an audio card here: https://www.amazon.com/Sabrent-External-Adapter-Windows-AU-MMSA/dp/B00IRVQ0F8/ref=sr_1_5

Download the SD Card reader driver here: Link

1. Search for and run "regedit"
2. Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\TimeZoneInformation
3. Right click TimeZoneInformation and create new DWORD (32 bit) called "RealTimeIsUniversal" and set it to 1
4. Reboot Windows

Note: This step is required to keep the clock in sync when dual booting Windows and Chrome OS

To free up storage, compress Windows 10 / 11 by running the following in an Admin Command Prompt:

compact.exe /compactos:always

Feel free to join our discord to discuss: https://discord.gg/tkPTk5w

For Support, please see: https://reddit.com/r/chrultrabook