2021 | -new- Acpi Msft0101 Driver 77

: These systems have native support for TPM 2.0. If the driver is missing, it is usually resolved by a standard system update or a BIOS setting. Windows 7/8

Prior to 2021, many users—especially those with systems—experienced a persistent issue: -NEW- Acpi Msft0101 Driver 77 2021

: A functional TPM 2.0 driver is a strict requirement for running Windows 11. Driver Update Performance (2021 Versions) : These systems have native support for TPM 2

While this post focuses on the era-defining , note that most OEMs have since moved to versions 10.x and 11.x. However, you will still find "Version 77" listed in many changelogs as the foundational build that finally made the ACPI MSFT0101 device stable. -NEW- Acpi Msft0101 Driver 77 2021