This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.

Choose the editions you want to include (e.g., Home, Pro). Click .

Right-click the file named uup_download_windows.cmd and select .

If you already have a standard Windows 11 ISO and want to manually inject additional languages, you can use the built-in tool via the command line. Prerequisites A standard Windows 11 ISO file.

Open PowerShell or Command Prompt as an and run the following command to check the editions inside your install.wim :

In environments without internet access (air-gapped networks, secured facilities, remote locations), downloading language packs via Windows Update is not an option. Offline installation is the solution.

Microsoft 365 Admin Center / Volume Licensing Service Center (VLSC)

The Language Bar appears on the right side of the taskbar, displaying the current language abbreviation (e.g., ENG for English, 中 for Chinese). Clicking on it brings up a menu of all installed keyboard layouts. Select the one you want to use immediately.

Under download options, select .

Note: If you want to keep English as default but make German available, omit this step and let the user choose during OOBE. Step 5: Commit Changes and Unmount