-
Windows Key + R
-
Type
regedit and press Enter -
Search for this registry path:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced -
If it is not already present — Create a new
DWORD and name it ShowSecondsInSystemClock -
Set the value of
ShowSecondsInSystemClock to 1 -
Restart Computer
Seconds should now be displayed on the system tray clock.
Enjoy :)