Windows user – Copy WebPShop.8bi (in bin\\WebPShop_0_3_2_Win_x64) into C:Program FilesAdobeAdobe PhotoshopPlug-ins
Mac user – Copy the WebPShop.plugin file (in bin/WebPShop_0_3_2_Mac_x64) into Applications/Adobe Photoshop/Plug-ins. Enter your Mac’s password to verify if necessary.