Games in Windowed Mode Registry Entry Question


Globespy

Globespy

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Win 11 23H2 Enterprise
Regarding this tutorial:
www.elevenforum.com

Turn On or Off Optimizations for Windowed Games in Windows 11

This tutorial will show you how to turn on or off "optimizations for windowed games" for your account in Windows 11. Starting with Windows 11 build 22557, Microsoft introduced a feature called Optimizations for windowed games and is designed to significantly improve latency and unlock other...
www.elevenforum.com www.elevenforum.com

I am on insider preview channel (Build 22000.652) but am very interested in this new optimization for games running in borderless windowed mode.
I downloaded and merged the registry entry and it looks like it's there, however I do not have the option to select in the graphics settings.
Will the registry entry be enough for this to work, or do I actually need the dev/beta build?
Thanks!
 
Last edited:

My Computer

System One

  • OS
    Win 11 23H2 Enterprise
    Computer type
    PC/Desktop
    Manufacturer/Model
    Self-Built
    CPU
    Ryzen 9800X3D
    Motherboard
    MSI MAG X870 Tomahawk WiFi
    Memory
    G.Skill Trident Z RGB 6200MT CL30
    Graphics Card(s)
    MSI RTX 5090 Suprim SoC
    Sound Card
    Sound Blaster G8
    Monitor(s) Displays
    LG C2 42 Main Desktop, 3x Gigabyte FI32Q in a triple array for gaming simulations
    Screen Resolution
    3840x2160, 2560x1440 (3)
    Hard Drives
    WD SN850X 2TB M.2 NVME (OS Drive), WD SN850X 2TB M.2 NVME, 2x Crucial 2TB SSD, Crucial 1TB SSD, Seagate Barracuda 2TB HDD
    PSU
    NZXT C1200 Gold ATX 3.1-Fully Modular/Low-Noise-1200 Watts-12V-2x6 Connector-Zero Fan Mode-100% Japanese Capacitors
    Case
    NZXT H7
    Cooling
    EK AIO Elite 360mm Elite
    Keyboard
    Razer Huntsman V3 Pro
    Mouse
    Logitech G502X
    Internet Speed
    1GB
    Browser
    Edge Chromium
    Antivirus
    Windows Defender
Globespy said:
I am on insider preview channel (Build 22000.652) ... Will the registry entry be enough for this to work, or do I actually need the dev/beta build?
Click to expand...
The first line of the tutorial tells you all you need to know:
"Starting with Windows 11 build 22557, Microsoft introduced a feature called Optimizations for windowed games....".

So yes, you will need a Beta build, currently that's on build 22610.

www.elevenforum.com

Windows 11 22H2 Insider Dev and Beta Build 22610.1 (ni_release) - April 29

UPDATE 5/5: https://www.elevenforum.com/t/windows-11-22h2-insider-dev-and-beta-build-22616-1-ni_release-may-5.6301/ Hello Windows Insiders, today we are releasing Windows 11 Insider Preview Build 22610 to the Dev and Beta Channels. TL;DR This build introduces some new group policies for IT...
www.elevenforum.com www.elevenforum.com
 

My Computers

System One System Two

  • OS
    Windows 11 Home
    Computer type
    Laptop
    Manufacturer/Model
    Acer Aspire 3 A315-23-R9VY
    CPU
    AMD Athlon Silver 3050U
    Memory
    8GB
    Graphics Card(s)
    Radeon Graphics
    Monitor(s) Displays
    laptop screen
    Screen Resolution
    1366x768 native resolution, up to 2560x1440 with Radeon Virtual Super Resolution
    Hard Drives
    1TB Samsung EVO 870 SSD (from April 2026: 250GB EVO 850)
    Internet Speed
    150 Mbps
    Browser
    Edge, Firefox
    Antivirus
    Defender
    Other Info
    fully 'Windows 11 ready' laptop. Windows 10 C: partition migrated from my old unsupported 'main machine' then upgraded to 11. A test migration ran Insider builds for 2 months. When 11 was released on 5th October 2021 it was re-imaged back to 10 and was offered the upgrade in Windows Update on 20th October. Windows Update offered the 22H2 Feature Update on 20th September 2022. It got the 23H2 Feature Update on 4th November 2023 through Windows Update, 24H2 on 3rd October 2024 through Windows Update by setting the Target Release Version for 24H2, and 25H2 on 30th September 2025 through Windows Update by setting the Target Release Version for 25H2.

    UPDATE - 11 April 2026: due to mechanical deterioration this PC has been retired from active duty. The OS with all software and files has been migrated to my System Seven below to carry on as my general purpose 'main machine'.

    My SYSTEM THREE is a Dell Latitude 5410, i7-10610U, 32GB RAM, 512GB NVMe ssd, supported device running Windows 11 Pro.

    My SYSTEM FOUR is a 2-in-1 convertible Lenovo Yoga 11e 20DA, Celeron N2930, 8GB RAM, 256GB ssd. Unsupported device: currently running Win10 Pro, plus Win11 Pro RTM and Insider Dev, Beta, and RP 24H2 as native boot vhdx.

    My SYSTEM FIVE is a Dell Latitude 3190 2-in-1, Pentium Silver N5030, 8GB RAM, 1TB NVMe ssd, supported device running Windows 11 Pro, plus Insider Beta, Dev, and Canary builds (and a few others) as a native boot .vhdx.

    My SYSTEM SIX is a Dell Latitude 5550, Core Ultra 7 165H, 64GB RAM, 1TB NVMe SSD, supported device, Windows 11 Pro 24H2, Hyper-V host machine. Updated to 25H2 on 30th September 2025.

    My SYSTEM SEVEN is a Lenovo Thinkpad T580, Intel Core i7-8650U, 16GB RAM, 512GB NVMe SSD + 2nd 512GB NVMe SSD, a supported device for Windows 11. This is my current general purpose 'main machine'. The installed Windows 11 Home from my System One has been migrated to this machine.
  • Operating System
    Windows 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Dell Latitude E4310
    CPU
    Intel® Core™ i5-520M
    Motherboard
    0T6M8G
    Memory
    8GB
    Graphics card(s)
    (integrated graphics) Intel HD Graphics
    Screen Resolution
    1366x768
    Hard Drives
    500GB Crucial MX500 SSD
    Browser
    Firefox, Edge
    Antivirus
    Defender
    Other Info
    unsupported machine: Legacy bios, MBR, TPM 1.2, upgraded from W10 to W11 using W10/W11 hybrid install media workaround. In-place upgrade to 22H2 using ISO and a workaround. Feature Update to 23H2 by manually installing the Enablement Package. In-place upgrade to 24H2 using hybrid 23H2/24H2 install media. Upgraded to 25H2 by Enablement Package. Also running Insider Dev, and Canary builds and Windows 10 as native boot .vhdx.

    My SYSTEM THREE is a Dell Latitude 5410, i7-10610U, 32GB RAM, 512GB NVMe ssd, supported device running Windows 11 Pro.

    My SYSTEM FOUR is a 2-in-1 convertible Lenovo Yoga 11e 20DA, Celeron N2930, 8GB RAM, 256GB ssd. Unsupported device: currently running Win10 Pro, plus Win11 Pro RTM and Insider Dev, Beta, and RP 24H2 as native boot vhdx.

    My SYSTEM FIVE is a Dell Latitude 3190 2-in-1, Pentium Silver N5030, 8GB RAM, 1TB NVMe ssd, supported device running Windows 11 Pro, plus Insider Beta, Dev, and Canary builds (and a few others) as a native boot .vhdx.

    My SYSTEM SIX is a Dell Latitude 5550, Core Ultra 7 165H, 64GB RAM, 1TB NVMe SSD, supported device, Windows 11 Pro 24H2, Hyper-V host machine. Updated to 25H2 on 30th September 2025.

    My SYSTEM SEVEN is a Lenovo Thinkpad T580, Intel Core i7-8650U, 16GB RAM, 512GB NVMe SSD + 2nd 512GB NVMe SSD, a supported device for Windows 11. This is my current general purpose 'main machine'. The installed Windows 11 Home from my System One has been migrated to this machine.
@Bree - Thanks for the reply. I just thought I would ask as it's not unheard of for features to be baked into earlier version of Windows (albeit not activated) that can be turned on/tested by changing registry values. I added the registry values anyway and it certainly hasn't harmed performance (I think it may have actually increased it according to a couple of games I have tried that I run in borderless due to them running triple screen borderless mode). Could be placebo of course :)
 

My Computer

System One

  • OS
    Win 11 23H2 Enterprise
    Computer type
    PC/Desktop
    Manufacturer/Model
    Self-Built
    CPU
    Ryzen 9800X3D
    Motherboard
    MSI MAG X870 Tomahawk WiFi
    Memory
    G.Skill Trident Z RGB 6200MT CL30
    Graphics Card(s)
    MSI RTX 5090 Suprim SoC
    Sound Card
    Sound Blaster G8
    Monitor(s) Displays
    LG C2 42 Main Desktop, 3x Gigabyte FI32Q in a triple array for gaming simulations
    Screen Resolution
    3840x2160, 2560x1440 (3)
    Hard Drives
    WD SN850X 2TB M.2 NVME (OS Drive), WD SN850X 2TB M.2 NVME, 2x Crucial 2TB SSD, Crucial 1TB SSD, Seagate Barracuda 2TB HDD
    PSU
    NZXT C1200 Gold ATX 3.1-Fully Modular/Low-Noise-1200 Watts-12V-2x6 Connector-Zero Fan Mode-100% Japanese Capacitors
    Case
    NZXT H7
    Cooling
    EK AIO Elite 360mm Elite
    Keyboard
    Razer Huntsman V3 Pro
    Mouse
    Logitech G502X
    Internet Speed
    1GB
    Browser
    Edge Chromium
    Antivirus
    Windows Defender
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