You cannot permanently remove it without upgrading. The notification appears every few days. You can dismiss it, but it will return.
Your bootable Windows 10 1903 installer is ready. windows 10 1903 iso
Because 1903 is insecure for internet use, consider these modern replacements if you need a similar experience. You cannot permanently remove it without upgrading
| If you want… | Choose this instead | Why | |--------------|---------------------|------| | The same UI as 1903 | Windows 10 22H2 (final version) | Same Start Menu, no Windows 11 redesign, but fully supported until Oct 2025. | | No forced Microsoft account | Windows 10 LTSC 2021 | Enterprise long-term servicing, minimal features, 5 years support left. | | Lightweight + classic | Windows 10 Enterprise 2019 LTSC | Based on version 1809, similar to 1903 but even lighter. | | Better security | Windows 11 22H2 | Modern hardware, but you can revert UI with ExplorerPatcher to look like 1903. | Your bootable Windows 10 1903 installer is ready
Download the official Windows 10 22H2 ISO from Microsoft using the Media Creation Tool – it’s the safest and smartest move for 99% of users.