I bought The Unreal Engine Asset Bonanza Software Bundle

I bought The Unreal Engine Asset Bonanza and it came with serial numbers for products. How do I access these assets? Can I access the store from within Unreal Engine? I found the products in the Unreal store but the Store is asking for me to buy them and add them to the cart. Where do I enter in the serial number and download the asset? Thanks for any help on this.

I figured it out and found the convenient place to add codes in my internet browser user account. It worked well and now the products appear in my Unreal library!