A soft copy is a digital reproduction of a physical document. For example, if you scanned a tax form into your computer, you would be creating a soft copy of it. The most common method of displaying a soft copy is using a computer monitor or some other display such as a smartphone screen.
How do I create a soft copy?
If it's a text document you can type it out, but the most common way is using a scanner.
What's the difference between a hard copy and a soft copy?
A hard copy is physical, such as a tax form, printed document, or textbook. A soft copy is a digital version of these media that is kept on a storage device.