Windows Insiders help shape the future of Windows and allow you to test the upcoming features of windows. If you’d just like to stop getting Insider Preview builds, you can do by following these simple steps.
Check out if you like to join the Windows Insider Program.
Note: If you’re receiving Insider Preview builds on a device managed by your organization, you’ll still get preview builds until your organization changes your device’s settings.
Leave the Windows Insider Program
Go to Settings > Update & Security > Windows Insider Program, and under Stop Insider Preview Builds, flip the switch.
After leaving the windows insider program can wait for the next stable update or Follow this to Upgrade using Window Update Assistant.