Apple iPhone 8 PLUS Repair Instructions
Apple iPhone 8 PLUS Screen Protector Instructions
Full Apple iPhone 8 PLUS Screen Protector install video library
Complete Disassemble & Tear-Down Instructions
There are also excellent how to videos on www.YouTube.com Simply put iPhone glass only replacement OR iPhone LCD Digitizer replacement in the search bar and tons of videos pop up.
Outer Glass Lens Screen Replacement
Examples of how to use Adhesive Tape & Glue.
iPhone 8 Plus LCD/Digitizer Screen Replacement