Windows Install Helper

Windows for Chromebooks installation helper

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Developer Mode & Partition

Press Esc + Refresh + Power
Press Ctrl + D and press Enter to enable developer mode
Press Ctrl + D to boot Chrome OS
Open a tab and press Ctrl + Alt + T
Type in "shell" and press Enter.

Paste the following into the shell and press enter

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

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

Update RW_LEGACY & Setup UEFI

If you haven't rebooted already after partitioning with chrx, reboot and press Ctrl + D to let Chrome OS repair itself.
Press Ctrl + D to boot Chrome OS
Open a tab and press Ctrl + Alt + T
Type in "shell" and press Enter.

Paste the following into the shell and press enter

cd; curl -LO mrchromebox.tech/firmware-util.sh && sudo bash firmware-util.sh

Select "RW_LEGACY" from the options.

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

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

Developer Mode & Flash Firmware

Turn off your device, open the back and bridge the Write Protect Jumper.
Press Esc + Refresh + Power
Press Ctrl + D and press Enter to enable developer mode
Press Ctrl + D to boot Chrome OS
Open a tab and press Ctrl + Alt + T
Type in "shell" and press Enter.

Paste the following into the shell and press enter

cd; curl -LO mrchromebox.tech/firmware-util.sh && sudo bash firmware-util.sh

Select "Full UEFI Firmware" from the options.

Developer Mode & Flash Firmware

Turn off your device, open the back and remove the Write Protect Screw.
Press Esc + Refresh + Power
Press Ctrl + D and press Enter to enable developer mode
Press Ctrl + D to boot Chrome OS
Open a tab and press Ctrl + Alt + T
Type in "shell" and press Enter.

Paste the following into the shell and press enter

cd; curl -LO mrchromebox.tech/firmware-util.sh && sudo bash firmware-util.sh

Select "Full UEFI Firmware" from the options.

Developer Mode & Flash Firmware

Turn off your device, open the back and disconnect the battery.
Press Esc + Refresh + Power
Press Ctrl + D and press Enter to enable developer mode
Press Ctrl + D to boot Chrome OS
Open a tab and press Ctrl + Alt + T
Type in "shell" and press Enter.

Paste the following into the shell and press enter

cd; curl -LO mrchromebox.tech/firmware-util.sh && sudo bash firmware-util.sh

Select "Full UEFI Firmware" from the options.
After successful flashing, turn off your device, open the back and connect the battery.

Developer Mode & Flash Firmware

Turn off your device, open the back and bridge the Write Protect Jumpers (see here for pictures).
Press Esc + Refresh + Power
Press Ctrl + D and press Enter to enable developer mode
Press Ctrl + D to boot Chrome OS
Open a tab and press Ctrl + Alt + T
Type in "shell" and press Enter.

Paste the following into the shell and press enter

cd; curl -LO mrchromebox.tech/firmware-util.sh && sudo bash firmware-util.sh

Select "Full UEFI Firmware" from the options.
After successful flashing, turn off your device, open the back and connect the battery.

Update Firmware

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

Install Windows from USB

On another computer, create a Windows 10 installer with Rufus as "GPT for UEFI"
Plug the USB Drive into the chromebook
Plug a USB keyboard or mouse in for installation
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.

Install Windows from USB

On another computer, create a Windows 10 or 11 installer with Rufus as "GPT for UEFI"
Plug the USB Drive into the chromebook
Plug a USB keyboard or mouse in for installation
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.

Install Windows from USB

On another computer, create a Windows 11 installer with Rufus as "GPT for UEFI"
Plug the USB Drive into the chromebook
Plug a USB keyboard or mouse in for installation
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.

Install Windows from USB

On another computer, create a Windows 10 or 11 installer with Rufus as "GPT for UEFI"
Plug the USB Drive into the chromebook
Plug a USB keyboard or mouse in for installation
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.

Bypass Windows 11 installation check

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

Note: This step is not required for Windows 10.

Install Visual C++ Redistributable

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

Install CR50 (I2C) TPM Driver

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

Install Chrome EC Driver

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

Wilco Keyboard

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

The Wilco EC drivers contain remappings for your chromebook.
Remappings guide:

The top row on your keyboard by default does what is said on the label
LShift + Window List: Take Screenshot
LShift + Brightness Down: Keyboard Backlight Brightness Down
LShift + Brightness Up: Keyboard Backlight Brightness Up
Globe: Windows Key
Search: Caps Lock

Keyboard Remappings

The Chrome EC drivers contain remappings for your chromebook.
Remappings guide:

The top row on your keyboard (aside from Esc, and the lock button) by default does F1 through F12
LCtrl + <Top Row Key> does the action defined by the key (with some keys also having alternate actions with LShift or LAlt)
LCtrl + LShift + Full Screen: Project/Extend Screen
LCtrl + LShift + Window List: Take Screenshot
LCtrl + LAlt + Brightness Down: Keyboard Backlight Brightness Down
LCtrl + LAlt + Brightness Up: Keyboard Backlight Brightness Up
LCtrl + Left Arrow: Home
LCtrl + Right Arrow: End
LCtrl + Up Arrow: Page Up
LCtrl + Down Arrow: Down
LCtrl + Backspace: Delete
LCtrl + Alt + Backspace: Ctrl + Alt + Delete

Install Rapid Storage Technology Driver

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

Install Chipset Driver

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

Install Rapid Storage Technology Driver

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

Install Rapid Storage Technology Driver

Download: Link
(This driver may be necessary before installation if using a SATA drive).

Install Intel DPTF Driver

Download: Link

Install Intel DPTF Driver

Download: Link

Install Intel Jasper Lake Serial IO Driver

Download: Link

Install Intel Tiger Lake Serial IO Driver

Download: Link

Install Intel Alder Lake Serial IO Driver

Download: Link

Install AMD Ryzen Chipset Driver

Download: Link

Install Intel Chipset Driver

Download: Link

Install USB 4 / Thunderbolt 4 Driver

Driver is available for purchase here.

You may sign up / pay via patreon, or ask on discord for alternate payment options.

Install Intel HD Graphics Driver

Download: Link

Install Intel Xe Graphics Driver

Download: Link

Install Intel GNA Accelerator Driver

Download: Link

Install Intel AX211 Wi-Fi Driver

Download: Link

Install AMD Vega GPU Driver

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

Workaround Celes Issues

After Windows installation, boot to the installer again
Press Shift + F10 to open Command Prompt

Type in the following command:

bcdedit /set {default} useplatformclock on

Press Enter
Restart Windows into the installed copy

Install Touchpad Driver

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

Install Touch Screen Driver

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

Install Realtek HD Audio Driver

Download: Link
Download and run the installer.

Install Realtek HD Audio Driver

Download: Link
Download and run the installer.

Install Realtek SST Audio Driver

Download: Link
Download and run the installer.

Maxim 98090 (R11) Audio Driver

Download: Link
Download and run the installer.

Install Maxim 98090 Audio Driver

Download: Link
Download and run the installer.

CoolStar ACP Audio

Download: Link
Download and run the installer.

CoolStar SST (Broadwell) Audio

Download: Link
Download and run the installer.

CoolStar SST (cAVS) Audio

Driver is available for purchase here.

You may sign up / pay via patreon, or ask on discord for alternate payment options.

CoolStar SOF (Intel) Audio

Driver is available for purchase here.

You may sign up / pay via patreon, or ask on discord for alternate payment options.

SD Card Reader

Download the SD Card reader driver here: Link

Set UTC Time

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

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

Compress Installation

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

compact.exe /compactos:always

Discord Discussion

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

Support

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