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Windows 11 to Introduce 'Hot Patching' for Rebootless Security Updates

The new update feature, expected in the 24H2 update, aims to streamline the update process by eliminating the need for system reboots.

Overview

  • Microsoft is testing a new update procedure for Windows 11, known as 'hot patching', which allows security updates to be installed without requiring a system reboot.
  • Hot patching is expected to be included in the Windows 11 24H2 update later this year, initially for x86-64 machines, with ARM64 device support to follow in 2025.
  • The feature is currently being tested with Windows Insiders who have Virtualized Based Security (VBS) enabled, a prerequisite for hot patching.
  • While hot patching will primarily cover security updates, it's possible other types of updates could also be adapted to use this method in the future.
  • The introduction of hot patching aims to reduce the inconvenience of updates, potentially lowering the number of necessary reboots from 12 to as few as four per year for users.