Dear dhapra1109,
2. Switch to "HTML"
3. Remove all content
4. Switch back to "Normal"
5. Input the following line:
"this is a test"
6. Choose word "test" and change its color to "red"
7. Continue to input:
",the test has been finished"
8. All those texts in step 7 will be red
9. Choose "finished" and change color to blue
All these color changes are finished successful.
Thank you for asking