A display device includes a display unit, a detection control unit configured to detect a state of a body of the user, an input detection unit configured to receive an input, an application execution unit configured to execute processing when a condition is satisfied, and a display control unit configured to display information about the processing, where the application execution unit executes the processing when the execution instruction is received, the display device includes a learning unit that includes a data set generation unit configured to generate a data set based on a detection result by the detection control unit and an received input, and the learning unit configured to estimate by an estimation model whether the processing is executable, to update the estimation model according to the data set.