A: v1903 reached end of support on December 8, 2020. For air-gapped systems that cannot upgrade, v1.5 remains safe. But for internet-connected PCs, upgrade to a supported release. Part 8: The Future – Beyond v1903 and v1.5 Microsoft has since moved to Windows 10 22H2 and Windows 11 . The language pack architecture has evolved to include Windows Local Experience Packs (LXPs) distributed via the Microsoft Store. For offline scenarios, the modern alternative is using the Microsoft Deployment Toolkit (MDT) with offline language source ISOs.
If you manage a fleet of Windows 10 v1903 machines in an air-gapped network, this tool will save you hundreds of hours. Just remember: always verify checksums, test on a shadow copy first, and respect Microsoft’s licensing for redistributing .cab files. Windows 10 Offline Language Packages Installer v1.5 -v1903
\\server\deploy\Installer_v1.5.exe /batch \\server\deploy\lang_list.txt /log \\server\logs\%computername%.log If you install language packs after Sysprep, Windows may fail to generalize. Always run v1.5 before running sysprep /generalize . The v1.5 documentation includes a /sysprep-compat switch that scrubs language-specific SIDs. 4. Disk Space Considerations Installing an additional language pack consumes 250–400 MB per language. With v1.5’s compact mode (new in v1.5), you can save up to 30% space by moving speech data to a secondary partition. Part 7: Frequently Asked Questions (FAQ) Q: Does this work on Windows 10 LTSC 2019? A: LTSC 2019 is based on v1809, not v1903. Use the dedicated v1.2 LTSC version instead. A: v1903 reached end of support on December 8, 2020
A: Yes. Run Installer_v1.5.exe /remove /lang:ar-sa . The tool will also clean up orphaned registry entries that MSFT’s own lpksetup leaves behind. Part 8: The Future – Beyond v1903 and v1
A: No, it’s a third-party utility. However, it uses only native Microsoft tools (DISM, lpksetup , reg.exe ) under the hood. The v1.5 author has published the source code for transparency.