Upload the meproductbundles.ocmod.zip file from Extensions > Installer. Click on install Then Go to Extensions > Modules.You will see the Bundle Setting module.Click on Intall. After successful install You can configure the settings as per your requirements. After that you will see a Product Bundles menu on left side.

Extract the zip file.open the 3.x folder.Upload the productbundles.ocmod.zip file from Extensions > Installer. Refresh the Modifications from Extensions > Modifications. Please grant the permission to the user groups. Then You will see the Product Bundles on left side. After successful install You can configure the settings as per your requirements. Enable the bundle discount from Extensions > Order Totals

Extract the zip file.open the 2.3x/2.x folder.Upload admin folder to your server from the "Upload" folder.
Upload the install.ocmod.xml file from Extension Installer. Refresh the Modifications from Extensions > Modifications. Please grant the permission to the user groups. Then You will see the Product Bundles on left side. After successful install You can configure the settings as per your requirements. Enable the bundle discount from Extensions > Order Totals