: A system reboot is mandatory to initialize the new kernel files. Running Modern Software

: Version 3.0e is considered more stable than later versions like 3.1j, which is often described as "fragile".

: Highly recommended as a bridge before the Extended Kernel.

Windows 2000 RTM with Extended Kernel! ... And then replaced the files from the Vista folder from Windows 2000 Extended Kernel v3. Reddit·r/windows2000 View topic - [Guide] Fully update Windows 2000

Before installing version 3.0e, your system must meet specific update requirements to ensure stability: : The base requirement. Official Update Rollup 1 : Must be installed after SP4.