For regulated industries (finance, healthcare, government), staying on older builds is not an option. Windows 11 Enterprise 21H2 reached end of service in October 2024. Version 22H2 will follow in late 2025. has a lifecycle of 24 months of support (until November 2025 for general enterprise, extended via LTSC? Note: 23H2 is not LTSC).
If you need help building out your operating system rollouts, let me know: Do you need to know how to for test VMs?
Microsoft offers a for IT pros.