If you are a developer or archivist holding onto Flash content:

Original Flash 32+ contains a hardcoded check: if system date > 2021-01-12, halt all SWF execution. Flash Player 50 r30 completely removes this check. Your SWFs will run in 2026, 2030, or 2099 without requiring a system clock rollback.

If your organization requires this version, it is typically distributed via the HARMAN mailbox for license holders rather than a public portal. Recommended Alternatives for General Users

Risk/compatibility considerations