Changes from DXCC Database 2.5.8:
for consistency with LoTW, defines Chinese provinces as primary administrative subdivisions using two-letter alphabetic codes rather than numeric codes
does not specify CQ and ITU zones for Yemen, because regions of this country lie in two CQ zones and two ITU zones
To upgrade to DXCC Database 2.5.8 to DXCC Database 2.5.9,
if you have DXKeeper, SpotCollector, and/or WinWarbler running, terminate them
If you've been using DXKeeper, SpotCollector, and/or WinWarbler without having installed DXView, direct the Launcher to install DXView
start DXView, open its Configuration window, and select its Databases tab
click the New? button
click the DXCC Database's Upgrade button
terminate and restart DXView