This guide covers Windows 11 Pro 23H2 (Build 22631.2428) , the general availability build of the 2023 Update, and its popular "Ultralight" custom variations. 1. Key Features in Build 22631.2428

Current Status: Be aware that as of November 2025, standard Home and Pro editions of Version 23H2 reached their official End of Servicing life. Microsoft is pushing all active consumer machines toward Windows 11 25H2. ⚡ The "Ultralight" Modification Review

2. Redesigned Task Scheduler for Efficiency

Microsoft tweaked the core scheduler to favor efficiency cores (E-cores) on Intel 12th/13th/14th Gen processors. However, the "ultralight" benefit extends to older CPUs. The scheduler now parks background threads more aggressively, reducing context switching. The result is a 10-15% reduction in CPU background utilization when the system is idle or performing light tasks.

  • Xbox services
  • Microsoft Teams (Chat)
  • OneDrive (if not needed)
  • Most preinstalled UWP apps except Settings, Store, Security.

My Ultralight Test Rig

  • CPU: Intel N100 (quad-core, 6W TDP)
  • RAM: 8GB DDR4
  • Storage: 128GB SATA SSD (but tested on 64GB eMMC as well)
  • Clean install of Windows 11 Pro 23H2 – build verified via winver (22631.2428)

As the world of computing continues to evolve, Windows 11 Pro 23H2 Build 22631/2428 Ultraleight is poised to play a significant role in shaping the future of technology. With its cutting-edge features, performance enhancements, and refined user interface, this build is a must-try for anyone looking to take their computing experience to the next level.

5. Optimize for Performance

  • Power Settings: High performance or Ultimate Performance.
  • Visual Effects: Adjust for best performance (sysdm.cpl → Advanced → Performance).
  • Startup: Disable all non-Microsoft startup items (Task Manager).
  • Background Apps: Settings → Apps → Advanced app settings → Background apps permissions → Off.