New releases are not legally available for free viewing online, leaving a few exceptions. It is illegal to watch and download movies for free online. Private and government agencies are constantly on the lookout for illegal downloaders. There is a real threat of getting caught and being fined.
There are some exceptions wherein one can watch movies for free online. There are many sites that offer free public domain content, which mainly consists of classic movies. These sites features movies with expired copyrights or have official permission from the owners to stream without royalties or charges.
Many video streaming sites also feature free content. These sites are built on an ad supported model and make money out of commercials that regularly interrupt the streaming of free content.