First open Google,then go to www.cool rom.com then click on the first file and then go to rom files click on gbc(game boy color).then pokemon crystal will appear click on it and then click on download now then finish.
You can't download Pokemon crystal, it's illegal.Better, you must buy it. :)
my a $$
try filefront.com
Yes, you have to get an emulator and download it. Be careful if you torrent it.
http://gbatemp.net/index.php?download=4248 this is the web site
Trade
you find all the Pokemon
there isn't a cheat but you can trade them over from other Pokemon crystal versions.
well first get an emulator I reccommend Visual boy advance all you have to do for that is type it in on Google the first link will have it its very safe and reliable you down load it then go to www.doperoms .com and type in Pokemon crystal on there search bar it will come up then press download ROM they have all Pokemon games Visual boy advance will also play game boy color and game boy advance games including all the Pokemon games
The download of PokŽmon crystal shards version for GBA can be done on the official website. An internet search will help get the PokŽmon website.
Yes, it is okay if you download Pokemon Crystal for free if it's not illegal. Before downloading any data from the Internet it is vital that you check with your ISP and your specific countries laws with regards to the downloading of content from the Internet.
Download an emulator (visualboy advance), download the ips file for Pokemon brown, download the ROM its based on (i think crystal), download an ips patcher (Google it) and patch the ROM with the ips and run the resulting file in the emulator.