How to update photoes in visitors browsers?

[borro]

Hello!

I've updated the photoes of a products but they will be still the same in a browser window until you don't press ctrl+f5. Are there any simple method(s) to make visitors browsers show an actual photo of a product without need of pressing ctrl+f5? The names of pictures it's desirable to leave the same

[GJC Web Design]

clear the Joomla cache .. it will renew anyway after the set period