How to make the exe project released by Unity into an installation package?

Introduction: Use the self-extracting function of the compression software

ready:

① export resource
picture .bmp file that is displayed when installing ②
③ installer exe icon .ico file
④2345 good pressure

1. Put the .bmp file and .ico file into the resource package folder

2. Open the pressure, the operation is as shown in the figure

3. The effect is shown in the figure