win32

win2k has the best UI ever. Modern-day Microsoft, Apple, Linux, IBM nor Sears have yet to replicate it.

My unofficial update/hack portfolio:

Windows2000-WindowsXP-WindowsServer2003-KB4557900-custom-x86-x64-enu.reg (fixed timezone update for Morocco; combine with earlier KB4507704 for updates for Brazil)

Windows 2000 hack for enabling SHA256 read support in Office 2007 applications and (possibly) login support for certain websites using XP/POSReady crypto libraries - see "Office 2007 in Windows 2000" thread for more information

Windows Vista Extended x64 Kernel