Foldable electronic device for displaying multi-window and method for operating same

An electronic device comprising:

• a foldable housing comprising a hinge structure comprising a hinge, a first housing structure, comprising a first housing, connected to the hinge structure, and a second housing structure, comprising a second housing, connected to the hinge structure and configured to be folded with respect to the first housing structure via at least the hinge structure;
• a display device comprising a display area with a shape configured to vary based on the first housing structure and the second housing structure;
• and
• at least one processor operatively connected to the display device, and configured to:
• divide a first type display area into a plurality of areas and display information related to a plurality of applications based on the electronic device being in an unfolded state,
• receive a user input that selects at least one application to be continuously used among the plurality of applications while the electronic device is in the unfolded state,
• set up a screen constitution in the folded state using the selected at least one application based on the electronic device switching to a folded state, and
• output information related to the selected at least one application through a second type display area based on the screen constitution in the folded state,
• wherein information related to at least one remaining application different from the selected at least one application among the plurality of applications is not displayed in the folded state.