How to highlight a large section of text the easy way.

1. Place your cursor at the beginning of what you want to copy.
2. Click the left mouse button.
3. Scroll down to where you want to end the highlight.
4. Hold down the SHIFT key and click the left mouse button.

Everything between your two "clicks" should be highlighted.
To copy:
Right click in the highlighted area, a menu will pop up, click on "Copy".
To Paste:
Click in the area you want to paste the text, Right click, a menu will pop up, click on "Paste".