To justify the text in #Photoshop, just do the following 3 steps in Photoshop:
1. First, type the desired text according to the image below.
2. Then, as shown in the image below, select #Praragraph from the Window menu at the top of Photoshop.
3. In the right section, a box named Paragraph will be created. From the Paragraph box, select the #Justify All option indicated by the arrow.