1. Download the Pencil_Brush_by_Andantonius.abr file by pressing, "Download" to the right of this deviation.
2. Copy Pencil_Brush_by_Andantonius.abr to /Adobe/Adobe Photoshop (Path may vary depending on operating system, and, "Adobe Photoshop" will change depending on what version you have)
3. Start (Or restart if it's already open) Photoshop.
4. To select the pencil brush, simply click on the arrow on the right-hand side of the brush selection menu. Then, from the drop-down menu, select, "Pencil".
5. Draw!