Photoshop is a popular graphic design program that can be installed on an external hard drive. However, some users have had trouble installing Photoshop on external hard drives because they don’t know how to properly format the drive. This article will show you how to properly format an external hard drive so that Photoshop can be installed successfully. To begin, make sure your computer is connected to the internet and your external hard drive. Next, format your external hard drive according to the instructions that came with your computer. Make sure to select “Windows 7” as the operating system and “External Hard Drive” as the storage device. Finally, click on the “Install Adobe Photoshop” button and follow the prompts that appear.