Compulsory member checkout means that customers must create an account and log in before proceeding with the checkout process.
Method 1: Search “Checkout” in the search menu at the top of NMS > Scroll to find “Checkout Cart Setting”
Method 2: Go to My Sales > E-commerce Setting > Setting > Scroll to find “Checkout Cart Setting”
Turn on Compulsory Member Checkout to encourage customers to sign up as members before proceeding to checkout.
Customer Perspective
Customers need to click 'Log In / Sign Up' to proceed to checkout.