Since the cookie belongs to a real, paying user, that user may eventually change their password. This instantly voids the stolen cookie. The "free" experience is inherently temporary, requiring constant maintenance and re-authentication.
If you still want to try free Netflix premium cookies, here are some steps: Free Netflix Premium Cookies
: Sites offering "Free Cookies" typically provide JSON data that users can import into their own browsers using extensions like EditThisCookie. The Dangers and Risks Since the cookie belongs to a real, paying
Concise recommendations for developers and defenders Free Netflix Premium Cookies
If you use these cookies while logged into your own accounts on other tabs, some malicious scripts on these "cookie-sharing" sites can attempt to hijack your own session data. Extremely Short Lifespan: