Right-click the in your taskbar and select Adjust date/time .
The software does not require a constant internet connection, but it does compare the current system date against a securely stored timestamp from your last session. No external server is needed for that basic check. winols+your+system+date+is+wrong
Warning: Editing the registry can be risky; ensure you have a backup before making changes. Right-click the in your taskbar and select Adjust date/time