Set your desired password to protect any page, go to page and use the lock icon to protect your page.
Make the content Blur
Using option, you can either blur the content on background or just hide it if you do not want to blur the content.
Background image of your choice
Upload the image of your choice to put on background for protecing the content.
Hide or Show Header and Footer
If you want to show or hide footer along the content or not, its your own choice.
https://demo1.consecutivebytes.com/pages/password-protected-demo-1 (Password: 123456)
https://demo1.consecutivebytes.com/pages/password-protected-demo-2 (Password: 123456)
v4.10.0 – 5.x.x