Insider Windows 11 Insider Experimental (Future Platforms) build 29639.1000 - July 31



 Windows Insider Blog:

Changes and improvements gradually being rolled out​

[Windows Update]​

  • We're adding the ability to extend update pauses as many times as you need.

    www.elevenforum.com

    Pause and Resume Updates for Windows 11

    This tutorial will show you how to pause and resume updates for Windows 11. Windows Update keeps Windows 11 updated by automatically downloading and installing the latest updates, drivers, and hotfixes released by Microsoft. If you have a Windows Insider build of Windows 11 installed, you can...
    www.elevenforum.com www.elevenforum.com

[Settings]​

  • The Bluetooth quick settings page is now navigable using gamepad input.

[Smart card removal policy]​

  • Administrators can now configure Azure Virtual Desktop (AVD) and Windows 365 sessions that use Microsoft Entra ID (RDS AAD Auth) authentication to automatically disconnect when a redirected smart card is removed. This extends smart card removal policy enforcement to Microsoft Entra authenticated remote sessions, helping organizations meet security and compliance requirements.

Reminder for Windows Insiders in the Experimental (Future Platforms) channel​

  • These builds can be unstable and might be released with limited documentation.
  • The builds released to these channels represent the latest platform changes early in the development cycle and should not be seen as matched to any specific release of Windows. Features and experiences included in these builds might never get released as we try out different concepts and get feedback. Features might change over time, be removed, or replaced, and never get released beyond Windows Insiders. Some of these features and experiences could show up in future Windows releases when they are ready.
  • Many features are rolled out using Controlled Feature Rollout technology, starting with a subset of Insiders and ramping up over time. We monitor feedback to see how they land before pushing them out to everyone in this channel.
  • The desktop watermark shown at the lower right corner of the desktop is normal for Windows Insider pre-release builds.
  • For Windows Insiders who want to be the first to get features gradually rolled out to you, you can turn on the toggle to get the latest updates as they are available via Settings > Windows Update. Over time, we will increase the rollouts of features to everyone with the toggle turned on. Should you keep this toggle off, new features will gradually be rolled out to your PC over time once they are ready.
  • Some features in active development we preview with Windows Insiders might not be fully localized, and localization will happen over time as features are finalized. As you see issues with localization in your language, please report those issues to us via Feedback Hub.
Note: The author created this article with assistance from AI. Learn more


 Source:

learn.microsoft.com

Windows 11 Insider Experimental (Future Platforms) Preview Build 29639.1000 - Windows Insider Program

Release notes for Windows 11 Insider Experimental (Future Platforms) Preview Build 29639.1000
learn.microsoft.com
blogs.windows.com

Announcing new builds for 31 July 2026

Hello Windows Insiders, We have new releases today with builds across Beta and Experimental, including refreshed security certificates across all new builds. Renewed Windows Insider flight certificates All builds this week contain
blogs.windows.com blogs.windows.com


Check Windows Updates


UUP Dump:

64-bit ISO download:
uupdump.net

Select language for Windows 11 Insider Preview 29639.1000 (rs_prerelease) amd64

Select language for Windows 11 Insider Preview 29639.1000 (rs_prerelease) amd64 on UUP dump. UUP dump lets you download Unified Update Platform files, like Windows Insider updates, directly from Windows Update.
uupdump.net

ARM64 ISO download:
uupdump.net

Select language for Windows 11 Insider Preview 29639.1000 (rs_prerelease) arm64

Select language for Windows 11 Insider Preview 29639.1000 (rs_prerelease) arm64 on UUP dump. UUP dump lets you download Unified Update Platform files, like Windows Insider updates, directly from Windows Update.
uupdump.net

www.elevenforum.com

UUP Dump - Download Windows Insider ISO

UUP Dump is the most practical and easy way to get ISO images of any Insider Windows 10 or Windows 11 version, as soon as Microsoft has released a new build. UUP Dump creates a download configuration file according to your choices, downloads necessary files directly from Microsoft servers, and...
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Last edited:
Click to expand...
Recycle Bin still showing raw file names...

13210.webp
 

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    ASUS ROG Strix

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    ASUS VivoBook
  • ASUS VivoBook 'Lite' ~ Windows 11 Home
magilla said:
Appears they don’t want me to have it, now up to 40 minutes, so I restarted it and now the download has started all over and is at 2 %. The other computer is actually installing the build. Go figure.
Click to expand...
Finally installed on both computers!
 

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    Operating System
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    IBuyPower
    CPU
    AMD 9 5900X
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    Samsung 980 pro 2 tb gen 4 NVMe ssd
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    850 watt consair RM850X
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    Lian Li LANCOOL ONE tempered glass RGB gaming case
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    DEEPCOOL GAMERSTORM RGB 240 mm CASTLE 240EX liquid cooler
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    Ares m.2 gaming keyboard
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    Ares m.2 gaming optical mouse
    Internet Speed
    450
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    Other Info
    With all this gaming rig I am not a gamer!
The update from 29617 to 29634 and 29639 kept failing with error 0x80070005 with W.U. or error 0x80070005 - 0x2000A trying to update with ISO on a specific machine GMKtec K3 Pro.
The only way around was by doing a clean install with 29639.1000.
After that I saved a backup and tried an update-in-place with the same ISO 29639.1000 and that worked correctly.
After 1st reboot It rebooted again at "30% Working on Updates", then continued up to "100% Working on updates" and rebooted one last time to come up correctly without the nasty error 0x80070005 - 0x2000A.
Note that the same process was failing when I tried the same type of update-in-place after a clean install with previous 29634.1000. It was getting to 29% Working on Updates and then it was just undoing the changes and come up with the message below.
Looks like the 29634 was the update the introduced the problem.
After the clean install of 29639.1000 it appears that the error is no longer happening.
I already wasted too much time on this nasty bug, I hope Microsoft really fixed it.
Only next Build update will confirm if that is the case or not. 🤞🤬🤷‍♂️


1785636728069.webp

Join Windows Insider – Get early access to Windows 11 features & updates

Join the Windows Insider Program to preview Windows features, provide feedback, and shape what's coming next to Windows.
aka.ms

This is it for now, we'll see what happens with next update. 😵‍💫
1785650771842.webp
 
Last edited:

My Computer My Computer

At a glance

Windows 11 Pro 25H2Intel I9-9900K64GBNVIDIA RTX 2060
OS
Windows 11 Pro 25H2
Computer type
PC/Desktop
Manufacturer/Model
Dell XPS 8930
CPU
Intel I9-9900K
Memory
64GB
Graphics Card(s)
NVIDIA RTX 2060
Sound Card
NVIDIA High Definition Audio
Monitor(s) Displays
4k Samsung
Screen Resolution
3840 x 2160
Hard Drives
512GB NVMe, ADATA SU 800, 2TB HDD

My Computer My Computer

At a glance

Windows 11 Pro 25H2Intel I9-9900K64GBNVIDIA RTX 2060
OS
Windows 11 Pro 25H2
Computer type
PC/Desktop
Manufacturer/Model
Dell XPS 8930
CPU
Intel I9-9900K
Memory
64GB
Graphics Card(s)
NVIDIA RTX 2060
Sound Card
NVIDIA High Definition Audio
Monitor(s) Displays
4k Samsung
Screen Resolution
3840 x 2160
Hard Drives
512GB NVMe, ADATA SU 800, 2TB HDD
Hi, long time looker first time poster.
On my clean install 29639, Im having this issue: WU keep detecting and install 29639 every time I open the WU setting. Good thing that it only download a little and completed right away, so I guess a file somewhere is corrupted and WU keep thinking it didnt applied the update. And update history got 2 entries of 29639 update, weird. I tried every trick i can find, deleted catroot2/softwaredistribution, ran WU troubleshooter....Doesnt work. Can someone chime in and help me fix this issue?
Screenshot 2026-08-03 123918.webp
Screenshot 2026-08-03 123931.webp
 

My Computer My Computer

At a glance

W11
OS
W11
Computer type
Laptop
As you clean installed could there be an issue with the ISO you used?

To have to start hacking a clean install around is not good and all my instincts say reinstall it again before going further down the rabbit hole. Create a new ISO or use Microsoft's last ISO on the Insider site (I don't think this one is up yet) and clean install that and then update to this build.

That would be what I would do.
 

My Computer My Computer

At a glance

W11 Pro x64 ongoing Canary 29500 latest buildsIntel i58GbIntel HD Graphics
OS
W11 Pro x64 ongoing Canary 29500 latest builds
Computer type
Laptop
Manufacturer/Model
Dell 7760 Mobile Precision 17"
CPU
Intel i5
Motherboard
Unknown
Memory
8Gb
Graphics Card(s)
Intel HD Graphics
Sound Card
Realtek
Monitor(s) Displays
Internal
Hard Drives
2 x 256Gb SSD
PSU
Dell 240 watt
Mouse
Dell Premier Bluetooth
Internet Speed
50Mbps
Browser
Edge
Antivirus
Default Microsoft Security
spektykles said:
Hi, long time looker first time poster.
On my clean install 29639, Im having this issue: WU keep detecting and install 29639 every time I open the WU setting. Good thing that it only download a little and completed right away, so I guess a file somewhere is corrupted and WU keep thinking it didnt applied the update. And update history got 2 entries of 29639 update, weird. I tried every trick i can find, deleted catroot2/softwaredistribution, ran WU troubleshooter....Doesnt work. Can someone chime in and help me fix this issue?
Click to expand...
Have you tried resetting your WU components?
It still works in Windows 11.
www.tenforums.com

Reset Windows Update in Windows 10

How to Reset Windows Update in Windows 10
www.tenforums.com www.tenforums.com
 

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System One System Two

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    All Branches but ReleaseAMD Ryzen 7 7735HS 3200-4500 Mhz 8 cores x 232 GB DDR5Radeon Graphic / NVIDIA GeForce RTX 4060 8 GB...
    OS
    All Branches but Release
    Computer type
    Laptop
    Manufacturer/Model
    Acer Nitro ANV15-51
    CPU
    AMD Ryzen 7 7735HS 3200-4500 Mhz 8 cores x 2
    Motherboard
    Sportage_RBH
    Memory
    32 GB DDR5
    Graphics Card(s)
    Radeon Graphic / NVIDIA GeForce RTX 4060 8 GB GDDR6
    Sound Card
    AMD/Realtek(R) Audio
    Monitor(s) Displays
    Integrated Monitor (15.3"vis)
    Screen Resolution
    FHD 1920X1080 16:9 144Hz
    Hard Drives
    KINGSTON OM8SEP4512Q-AA 1TB
    Western Digital 256GB
    PSU
    19V DC 6.32 A 120 W
    Cooling
    Dual Fans
    Mouse
    MS Bluetooth
    Internet Speed
    Fiber 1GB Cox -us & 1GB Orange-fr
    Browser
    Edge Canary- Firefox Nightly-Chrome Dev-Chrome Dev
    Antivirus
    Windows Defender

  • At a glance

    Windows 11 BetaAMD A9-94208 GB of DDR4AMD Radeon R5
    Operating System
    Windows 11 Beta
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    Laptop
    Manufacturer/Model
    Asus X751BP
    CPU
    AMD A9-9420
    Memory
    8 GB of DDR4
    Graphics card(s)
    AMD Radeon R5
    Screen Resolution
    1600x900
    Hard Drives
    Seagate 1 TB
OAT said:
Have you tried resetting your WU components?
It still works in Windows 11.
www.tenforums.com

Reset Windows Update in Windows 10

How to Reset Windows Update in Windows 10
www.tenforums.com www.tenforums.com
Click to expand...
I tried this tool. After reboot, the first WU check run is okay, second run also okay. I closed Settings and open again, WU 3rd check run and the issue returns....
 

My Computer My Computer

At a glance

W11
OS
W11
Computer type
Laptop
spektykles said:
I tried this tool. After reboot, the first WU check run is okay, second run also okay. I closed Settings and open again, WU 3rd check run and the issue returns....
Click to expand...
OK, then what's left is : under Settings / System / Recovery / Fix problems using Windows Update.
It will be a full re-install without loss of files or settings but it will take a while. So be patient . :-)
 

My Computers My Computers

System One System Two

  • At a glance

    All Branches but ReleaseAMD Ryzen 7 7735HS 3200-4500 Mhz 8 cores x 232 GB DDR5Radeon Graphic / NVIDIA GeForce RTX 4060 8 GB...
    OS
    All Branches but Release
    Computer type
    Laptop
    Manufacturer/Model
    Acer Nitro ANV15-51
    CPU
    AMD Ryzen 7 7735HS 3200-4500 Mhz 8 cores x 2
    Motherboard
    Sportage_RBH
    Memory
    32 GB DDR5
    Graphics Card(s)
    Radeon Graphic / NVIDIA GeForce RTX 4060 8 GB GDDR6
    Sound Card
    AMD/Realtek(R) Audio
    Monitor(s) Displays
    Integrated Monitor (15.3"vis)
    Screen Resolution
    FHD 1920X1080 16:9 144Hz
    Hard Drives
    KINGSTON OM8SEP4512Q-AA 1TB
    Western Digital 256GB
    PSU
    19V DC 6.32 A 120 W
    Cooling
    Dual Fans
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    MS Bluetooth
    Internet Speed
    Fiber 1GB Cox -us & 1GB Orange-fr
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    Edge Canary- Firefox Nightly-Chrome Dev-Chrome Dev
    Antivirus
    Windows Defender

  • At a glance

    Windows 11 BetaAMD A9-94208 GB of DDR4AMD Radeon R5
    Operating System
    Windows 11 Beta
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    Laptop
    Manufacturer/Model
    Asus X751BP
    CPU
    AMD A9-9420
    Memory
    8 GB of DDR4
    Graphics card(s)
    AMD Radeon R5
    Screen Resolution
    1600x900
    Hard Drives
    Seagate 1 TB
The option for that is greyed out.
OAT said:
OK, then what's left is : under Settings / System / Recovery / Fix problems using Windows Update.
It will be a full re-install without loss of files or settings but it will take a while. So be patient . :-)
Click to expand...
 

My Computer My Computer

At a glance

W11
OS
W11
Computer type
Laptop
spektykles said:
The option for that is greyed out.
Click to expand...
You have more serious issues on your system than a recursive offer to update the same build.
Good luck.
 

My Computers My Computers

System One System Two

  • At a glance

    All Branches but ReleaseAMD Ryzen 7 7735HS 3200-4500 Mhz 8 cores x 232 GB DDR5Radeon Graphic / NVIDIA GeForce RTX 4060 8 GB...
    OS
    All Branches but Release
    Computer type
    Laptop
    Manufacturer/Model
    Acer Nitro ANV15-51
    CPU
    AMD Ryzen 7 7735HS 3200-4500 Mhz 8 cores x 2
    Motherboard
    Sportage_RBH
    Memory
    32 GB DDR5
    Graphics Card(s)
    Radeon Graphic / NVIDIA GeForce RTX 4060 8 GB GDDR6
    Sound Card
    AMD/Realtek(R) Audio
    Monitor(s) Displays
    Integrated Monitor (15.3"vis)
    Screen Resolution
    FHD 1920X1080 16:9 144Hz
    Hard Drives
    KINGSTON OM8SEP4512Q-AA 1TB
    Western Digital 256GB
    PSU
    19V DC 6.32 A 120 W
    Cooling
    Dual Fans
    Mouse
    MS Bluetooth
    Internet Speed
    Fiber 1GB Cox -us & 1GB Orange-fr
    Browser
    Edge Canary- Firefox Nightly-Chrome Dev-Chrome Dev
    Antivirus
    Windows Defender

  • At a glance

    Windows 11 BetaAMD A9-94208 GB of DDR4AMD Radeon R5
    Operating System
    Windows 11 Beta
    Computer type
    Laptop
    Manufacturer/Model
    Asus X751BP
    CPU
    AMD A9-9420
    Memory
    8 GB of DDR4
    Graphics card(s)
    AMD Radeon R5
    Screen Resolution
    1600x900
    Hard Drives
    Seagate 1 TB
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