Not sure what u mean, but I don't know how to change the icon of something on RealWorld Software. However, if you want to change the icon of something follow these steps:
Instructions to Customize the Icon of an Application
1.- Right click the application you want to choose.
2.- Select Properties.
3.- Click Change Icon
3a.- Select a icon, if you have a icon that doesn't appear there, click Browse...
3b.- Go to the folder where you placed the icon, and finally, select the icon you wanted.
Instructions to Customize the Icon of a Folder
1.- Right click the application you want to choose.
2.- Select Properties.
3.- Click Personalize
4.- Click Change Icon
4a.- Select a icon, if you have a icon that doesn't appear there, click Browse...
4b.- Go to the folder where you placed the icon, and finally, select the icon you wanted.
Hope this helped. Good luck!