Open your Word document.
Click where you want the line to appear.
Choose one of these options:
Type three hyphens `—` and press `Enter`.
Type three underscores `___` and press `Enter`.
Use the Shapes tool: go to **Insert** → **Shapes** → select **Line** → click and drag to draw the line.
Use a border: go to **Home** → **Borders** (or **Borders and Shading**) → choose **Bottom Border** or **Horizontal Line**.
Use the built-in separator: go to **Insert** → **Shapes** → **Line** (or **Insert** → **Pictures/Icons** if available) and draw the line.
Resize or format the line if needed:
Drag the ends or select the line and adjust its size.
Use **Shape Format** (or **Format**) to change color, weight, and style.