Why do I can't input any Chinese word on the edge?

I'm sorry that didn't work for you. You might consider seeking more targeted assistance or discussions from other communities or forums (technical forums, preferably related to Linux projects).

Best Regards

Leo Z | Microsoft Community Support Specialist

It doesn't work

Okay, I understand. If you are using Linux, the issue shouldn't be with Edge itself, but rather system-related. Please set your Linux display language to Chinese and add a Chinese input method. Please note that this community primarily provides Windows-related support. I performed similar operations when testing related issues before, so I can offer some simple instructions for reference. If this doesn't apply to your situation, please proceed to Linux-related resources for further assistance. Thank you for your understanding.  You can configure the input method engine and Chinese language support through the command line. Below are the basic steps to install and set up a Chinese input method (using the fcitx input method framework as an example):Step 1: Update System PackagesFirst, ensure your WSL Linux distribution is up to date. Open the WSL terminal and execute the following commands to update the package list and upgrade the system:sudo apt update 
sudo apt upgradeStep 2: Install Chinese Language PacksInstall Chinese support and related language packs:sudo apt install language-pack-zh-hans 
sudo apt install language-pack-zh-hantStep 3: Install Input Method Framework (fcitx)Install the fcitx input method framework and the Chinese input method engine (fcitx-pinyin):sudo apt install fcitx fcitx-pinyinStep 4: Install Input Method Configuration InterfaceIf you need a graphical interface input method configuration tool, you can install the following software:sudo apt install fcitx-config-gtkStep 5: Configure Environment VariablesNext, you need to set environment variables to ensure the system uses fcitx as the input method framework. Edit the ~/.bashrc file (or ~/.zshrc, depending on your shell):nano ~/.bashrcAdd the following content to the end of the file:export GTK_IM_MODULE=fcitx 
export QT_IM_MODULE=fcitx 
export XMODIFIERS="@im=fcitx"Save and exit (press Ctrl+X, then press Y to save).Make the configuration take effect:source ~/.bashrcStep 6: Install Chinese Fonts (Optional)To ensure Chinese characters are displayed correctly, you can install Chinese fonts:sudo apt install fonts-wqy-microheiStep 7: Start fcitxTo start fcitx, execute the following command in the terminal:fcitxIf you are using WSL 2 in a graphical interface (such as X11 or Wayland), you should now be able to input Chinese through fcitx.Step 8: Set Default Input Method to ChineseIf you want to set pinyin as the default input method, after starting fcitx, you can configure the input method order through fcitx-configtool, or use the input method switching keys (usually Ctrl+Space) in the graphical interface.

Best Regards

Leo Z | Microsoft Community Support Specialist

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There are no Linux choice, I think that Android is the same kernel to Ubuntu. I can't have any Chinese word in Ubuntu.