-
Open Control Panel -> Region and Language.

-
Click Additional Settings.

-
Navigate to the Time tab.

- Change the Time formats according to your liking:
-
(Anything):
Type tt in the Long time textbox.
Type anything that you want to display in the AM symbol & PM symbol textboxes.

-
(Anything) (Hour):(Minute):
Type tt h:mm in the Long time textbox.
Type anything that you want to display in the AM symbol & PM symbol textboxes.

-
(Hour):(Minute) (AM/PM) (Anything):
Type h:mm tt in the Long time textbox.
Type AM (anything that you want to display) in the AM symbol textbox.
Type PM (anything that you want to display) in the PM symbol textbox.

-
(Hour):(Minute) (Anything):
Type h:mm tt in the Long time textbox.
Type anything that you want to display in the AM symbol & PM symbol textboxes.

-
- Click OK, then OK again.

If you want to reset all customizations, just click Reset after Step 3.








