Contact the OEM directly. Provide your purchase invoice and the device serial number. They may send you a private download link.
| Version | Date | Changes | |---------|------------|---------| | 2.3.1 | 2025-02-10 | Security patch, improved Win11 24H2 compatibility | | 2.2.0 | 2024-08-22 | Fixed sleep/wake TPM loss issue | | 2.0.1 | 2024-01-15 | Initial public release | tpmt5522pc821 software download new