how to fix Missing field “aggregateRating”, “review”, “brand”(optional)

Hi, i have installed woocommerce plugin. There are a lot of warnings about products showing on google search console. The errors are mentioned below
1) Missing field “aggregateRating” (optional)
2) Missing field “review” (optional)
3) Missing field “brand” (optional)
4) No global identifier provided (e.g., gtin, mpn, isbn) (optional)

Please guide me how to resolve them.

Thank you