Only those cells names. Most common mistake in excel. If you want to sort rows make sure you highlight everything and then use sort function on column
<h2>The five steps of saving a document in a storage device are firstly, click File. Secondly, click Save As.</h2><h2> In addition, click Computer. Moreover, double click the storage device and type file name. Lastly, click Save or Enter.</h2>
A dollar sign after both the letter and the number for each cell reference you want to keep the same will keep it the same when using the fill down/across function.