That's probably the most sought after query on web - most people want to either watch hindi movies online or download the movies for offline viewing without spending money.
Indian Bollywood Hindi films are popular in for their music, songs, and extravagent colorful potrayl of Indian Weddings but unfortunately most of the bollywood videos online are either copyright violations or have been posted without prior permission from the producers.
While you can legally buy entire bollywood film DVDs from Indiatimes, rediff, ebay or even subscribe and watch the Hindi, Tamil, Kannada Movies, Malayalam or Telegu Movies, Pakistan Plays or films online as streaming media by paying for it, sites like Youtube and Metacafe have just taken the business out of them.
For example, a simple search for "bollywood movies" or "hindi movies" will returns tons of video clips on Youtube which have either been scrapped from the movie VCD's or recorded with camcorders during pre-release sessions.
While youtube requires you to register before you can view adult movie scenes, Metacafe has no such restriction and is turning out to be a popular destinations for Indian located across the world.
It is also possible to download movies and video clips from Youtube or any other video site since they are essentially flv files which can be played with any free FLV player. You can even download them as AVI and play with Windows Media player.
However, downloading hindi movies is not for dial-up users as the music video files are huge. Some downloadable hindi movies in xdiv formats on some torrent websites are of excellent quaility like a original hindi DVD.
Youtube and even Google video also has a large collection of old hindi movies and songs plus movie trailors of the latest bollywood flicks. But again, you may be breaking certain copyright laws by download them to your computer.