Well, if you have upgraded to Windows 10, and now no longer wish to continue to be a part of the Insider program, then you can leave the Windows Insider Program easily via the Windows 10 Settings app.
If you installed Windows 10 final version, then you will notice that you are no longer a part of the Insider program, by default. We have seen sign up for Windows Insider Program & get Windows 10 Insider Preview Builds, now let’s see what to fo if you want to leave the program.
Leave Windows Insider Program
On Insider builds or on a system which is still a part of the Insider program, you have to do the following to leave the Insider program.
Open Settings app > Update and Security > Windows Update > Advanced options.
Click on the Stop Insider builds button. That’s it!
If you wish to, later on, re-join the Insider program, you have to click on the Get started button, under Get Insider builds. If you wish you can also stay in the Insider Program, but set getting updates “Slow” instead of Fast“. This way you will get relatively stable updates, and you can continue to enjoy the lates in Windows 10.