I started getting warnings that Windows 10 Insider Preview will expire.When will my build of Insider Preview expire, and what will happen when it does?
The expiration dates for Windows 10 Insider Preview vary by build number.The table below summarizes the expiration dates for each of the builds we’ve released so far.(Dates are subject to change.)
Build number
Expiration warnings begin
License expiration date
Windows will stop booting
9841
4/2/15
4/15/15
4/30/15
9860
4/2/15
4/15/15
4/30/15
9879
4/2/15
4/15/15
4/30/15
9926
9/17/15
10/1/15
10/15/15
10041
9/17/15
10/1/15
10/15/15
10049
9/17/15
10/1/15
10/15/15
10061
9/17/15
10/1/15
10/15/15
10074
9/17/15
10/1/15
10/15/15
10122
9/17/15
10/1/15
10/15/15
10130
9/17/15
10/1/15
10/15/15
10158
9/17/15
10/1/15
10/15/15
10159
9/17/15
10/1/15
10/15/15
10162
9/17/15
10/1/15
10/15/15
10166
9/17/15
10/1/15
10/15/15
Approximately 2 weeks before a build’s license expires, you will start getting warnings that this build will expire and that you should update to the most recent build.
When the build reaches the license expiration date, the system will automatically reboot every three hours.
Approximately 2 weeks after the license expires, the build will no longer boot at all.
For Insiders using Builds 10041 thru 10166:
If you are running a Windows 10 Insider Preview Build 10041 through 10166, you have a short window where you can perform an upgrade to the current build, however to do this,
you must take action before October 15, 2015.After this date, you will need to perform a boot from media installation of Windows 10 RTM and opt-in to the Windows Insider Program to continue to get new Preview builds.Because your Preview build has already expired, it is no longer activated.As a result, you’ll be required to use the Windows 10 default product key to upgrade, and afterwards you will not be activated.Therefore, please do the following:
Use the Windows media creation tool to launch the upgrade to Windows 10 (RTM) or create USB media that will allow upgrade to Windows 10 (RTM).
You will be asked to enter a product key.Please use the Windows 10 default product key that matches your Windows 10 Edition:
Windows 10 Home Edition:
YTMG3-N6DKC-DKB77-7M9GH-8HVX7
Windows 10 Pro Edition: VK7JG-NPHTM-C97JM-9MPGT-3V66T
Please note that these keys will only allow setup to continue and will not grant a license or allow activation.
3. After installation, you will be running the released version of Windows 10 (Build 10240) and will not be activated.You will then want to opt into the Insider Preview’s next flight:
Open the Start Menu and click on
Settings.
Select Update and Security.
Select Windows Update and click
Advanced Options.
Click the Get Started link and follow the process for re-joining your PC to the Windows Insider Program.
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