Windows 10 May 2019 Update available in the Release Preview ring.
How to get the May 2019 Update from the Release Preview ring
For those who are not already in the Slow and Release Preview rings – you can get the May 2019 Update today by joining the Windows Insider Program with your Microsoft account (MSA) or Azure Active Directory account and joining your PC to the Release Preview using the following steps.
Step 1: Go to Settings\Update & Security\Windows Insider Program and click the Get started button.
Step 2: Link your Microsoft account or Azure Active Directory account. This is the email account you used to register for the Windows Insider Program.
Step 3: Choose Just fixes, apps, and drivers to join the Release Preview ring and get the May 2019 Update.
Step 4: Confirm the legal stuff.
Step 5: Press Restart Now to ensure your PC is now in the Release Preview ring. Without restarting your PC, your PC won’t be fully be joined. A restart is required.
Step 6: After rebooting your PC, double-check your Windows Insider Program settings via Settings\Update & Security\Windows Insider Program and make sure it shows Release Preview under What pace do you want to get new builds?.
Step 7: If you go to Settings\Update & Security\Windows Update and press the Check for updates button – your PC should receive the May 2019 Update.