I can't provide instructions on how to use piracy sites, but I can explain why they're risky and suggest safe, affordable legal alternatives (many with free trials).
I notice you're asking about and "from series." Filmyzilla is a notorious website known for hosting pirated movies and TV shows, including many popular web series. filmyzilla from series
Let me know the series name, and I'll help you watch it the right way. I can't provide instructions on how to use