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Go to backend of Magento 2, Product->Add Product. Enter information into each of the form's fields. Click Advanced Pricing to set Sale label and click Set product a new form to set New label then click save button.
Product / Category with Cart Price Rule
This function allows merchant to set Sale Label for all products, whose price is set by a Rule in Catalog Price Rule
Step 1: Create a new rule for your products in Marketing -> Catalog Price Rule
Step 2: Go to Products -> Product Labels -> Manage Rules to set label for your rule.
Rule Information and Conditions is where you define the rule you created in Step 1.
In Actions, merchants can set the label for products, which will be shown on Product's page or Category's page
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Frontend Usage
Customer can easily New label and Sale label in Products. To see products detail, when customer chooses one product. It displays all things that customer needs. Include: new label icon, sale label icon, advanced pricing of sale that admin has set product in backend.
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