The second option, Freeze the rows above, will only freeze the first three row that is shown to the screen. Those are the rows that are above the active cell.
The third option, Freeze the first column, will only fix the first column of your worksheet. That's where the titles are most often placed.
For this exercise, select the option Freeze Panes.
You can now move throughout the worksheet knowing that the titles will be always be seen. It's easier to understand the content to a cell when you can you référer to of titles located above and to the left of the active cell.
Press on the keys CTRL and Home.
This will you return the cursor to the first cell non-fixed cell of the worksheet. To remove this option:
From the tab View, in the group of commands Window, press the Free panes button.