In the SUSE Manager Web UI, navigate to Admin  Setup Wizard  Products.

Locate the appropriate products for your client operating system and architecture using the search bar, and check the appropriate product. This will automatically check all mandatory channels. Also all recommended channels are checked as long as the include recommended toggle is turned on. Click the arrow to see the complete list of related products, and ensure that any extra products you require are checked.

Click Add Products and wait until the products have finished synchronizing.