1. Click the file option in the menu bar above the ps interface.
2. Click Open in the pop-up window, and then select the picture you want to use.
3. Click the window in the menu bar, and then click History in the pop-up options.
4. According to the above steps, you can call up the history of ps.
Matters needing attention/summary
1. Click the window in the menu bar. 2. Click History.