Final answer:
To start Word, pressing the Windows key followed by selecting Word 2019 from the Start menu, using the search bar, or double-clicking a desktop shortcut are all valid methods. To accept or reject changes, click the Review tab in Word.
Step-by-step explanation:
The accurate answer to the question is both true and false, depending on the user's setup. To start Word, one can indeed press the Windows key and select Word 2019 from the Start menu if it is pinned there. Alternatively, one can also use the search bar to find and open Word or double-click an existing desktop shortcut if one has been created for Word 2019.
To accept or reject changes in a Word document, you would open the document and click the Review tab above the tools ribbon. This process is part of the document review functionality that allows multiple users to make and review edits within a Word document.