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This package provides the Intel Trusted Execution Engine Interface (TXE) Driver for the supported notebook models running a supported operating system. The Intel Trusted Execution Engine Interface enables the Secure Boot and provides services required for platform security features such as Intel Platform Trust Technology (Intel PPT).
1. Download the file by clicking the Download or Obtain Software button and saving the file to a folder on your hard drive (make a note of the folder where the downloaded file is saved).
2. Double-click the downloaded file and follow the on-screen instructions.
- Fixes an issue where the PC Hardware Diagnostics on the system does not function properly.
This sp66421.exe driver file fit for these kinds of hp product: