Hello,
I have real player. Is it worth it to get the Premium version or is there a free alternative to download HD videos from internet , You Tube etc.
Never heard about a premium version of real player. Is it like s subscription of movies like Netflix? Downloading movies is a risk, but many, many people do it. The least that can happen is getting a note from your ISP to stop, warning you.
To download movies, usually forums or torrents (the most used way). You need a client such as uTorrent (preferred). Go to a website that supplies torrents, download it. Youtube a tutorial or google for more information.