To resolve this, ensure your Windows time settings are fully synchronized and set to automatic. Use the following steps recommended by Microsoft Support and Autodesk Technical Support : :
Would you like a step-by-step guide with screenshots for checking your system date in Windows or BIOS? winols 47 your system date is wrong link
The license or the specific version build has passed its hard-coded "valid until" date. To resolve this, ensure your Windows time settings
Conclusion The “Your system date is wrong” message in WinOLS 47 is most often a symptom of time-related validation mechanisms—license checks, certificates, or anti-tamper systems—rather than a direct fault in the software. Resolve it by correcting system time, ensuring time synchronization, validating licenses via official channels, and avoiding untrusted patches or links. When in doubt, contact the official vendor or authorized reseller for a verified fix to protect both system security and legal compliance. Conclusion The “Your system date is wrong” message
Risks of Improper Fixes
Check the box to ensure the software doesn't "freeze" in time.