Go to Settings > Update and Security > Windows Update, and click Check For Updates. If your system is eligible to update, it should begin downloading and installing.
Go to Settings > Update and Security > Windows Insider Program and click the “Get started” button. Link your Microsoft account. This is the email account you used to register for the Windows Insider Program. Choose “Just fixes, apps, and drivers” to join the Release Preview ring and confirm. Press “Restart Now”. A restart is required. After rebooting your PC, you check your Windows Insider Program settings. Go to Settings > Update and Security > Windows Insider Program and double-check that it shows “Release Preview” under “What pace do you want to get new builds?”. If you go to Settings > Update and Security > Windows Update and press the “Check for updates” button, your PC will receive the update.