Why am I getting this "Let's finish setting up your device" blue screen?

Hello Rod-F,

Go to Settings > System > Notifications & actions and uncheck Suggest ways I can finish setting up my device to get the most out of Windows option. This should turn off that screen.

If that doesn't works, try the registry based Method 2 mentioned here:

https://www.kapilarya.com/how-to-disable-get-even-more-out-of-windows-screen-windows-10

To help you more on this, here's the video fix:

Hope this helps!

Note: Included link in this reply refers to blog post by a trusted Microsoft MVP. 

*This reply was updated with additional information.