Which BIOS mode is most effective for Windows 8.1 64-bit?

UEFI mode is the most effective BIOS setting for Windows 8.1 64-bit due to several advantages it offers over traditional legacy modes. UEFI, which stands for Unified Extensible Firmware Interface, is designed to overcome the limitations of the older BIOS system. It supports larger hard drives, allows for faster boot times, and provides a more user-friendly interface.

One of the key benefits of UEFI mode is its ability to handle secure boot features, which help to protect the operating system from bootkit attacks and ensure that only trusted software can load during the startup process. This security aspect is particularly important for modern operating systems like Windows 8.1, as they rely more on security measures that work seamlessly at the firmware level.

In addition to enhanced security, UEFI also supports GPT (GUID Partition Table), which can manage disk partitions more effectively than the MBR (Master Boot Record) used by legacy systems. This is crucial for utilizing the full potential of newer hardware, including solid-state drives and drives larger than 2TB.

While legacy mode often provides backward compatibility for older operating systems and hardware, it lacks the advanced features and efficiencies that UEFI offers. Safe mode is a diagnostic mode for troubleshooting issues within Windows, and compatibility mode is