It's in the blue ribbon at the top of the Word document. A toolbar will appear at the top of the window.  To open the document, double-click on it. This is a drop-down box in the "Tracking" section of the toolbar. A menu will appear. On Mac, click the Markup Options drop-down box instead. Clicking the ✓ Comments option in the menu will remove the checkmark and hide the Comments sidebar.
افتح ملف ميكروسوفت وورد واضغط على أيقونة "المراجعة" Review. اضغط على زر "إظهار الزيادات" Show Markup. أزل العلامة الموجود في خيار "التعليقات" Comments.