This tip is absolutely and completely useless, and will even make applications that depend on timestamps have issues.
The way this trick works is by modifying the regional prefs for the time format.
Start by opening Regional and Language Options from the start menu search box or the control panel.
choose the Time tab, and then here’s where we can make whatever configs we want.
Keep in mind that the PM symbol is only going to display during the “PM” hours.
It does work in XP as well.
