If you are a student working through the course, Lab 4.6.8 is an interactive exercise titled "Edit an Essay." In this context, "4.6.8" refers to the lesson number, not a software version.

Practice core word processing skills like formatting, spell-checking, and adjusting document layouts.

While stable, 4.6.8 is now considered a legacy version, as the industry has largely moved to QLab 5.

Since your request mentioned "develop essay" alongside "QLab Pro 4.6.8," you are likely looking for information on one of two distinct topics. Interpretation 1: TestOut Office Pro (Lab 4.6.8)