cause its fun alot.for example playin Call of Duty 4 online is much cooler than its offline compaign. and you can find friends and more on xboxlive
There is no "The Xbox Live", Xbox live is simply a pay-to-play game service where you can play Xbox 360 games online. It depends on the game if you can play it online or not, the game's box should on the back say if it can be played online.
No you can not play xbox on line with PC.
No, an Xbox live silver account does not let you play online.
You do to play online on the Xbox 360 only. Other systems also have online games
No you can not play xbox on line with PC.
You have to be on Xbox Live to play it online.
You can play any online game without Xbox live.
Yes. But, you cannot play online.
You do not need xbox live to play Star Wars Battlefront. It has campaign mode as well as custom matches with AI opponents. If you wish to play online with other human players then you would need an account.
On the Xbox 360
Yes, there are many people who play FEAR 3 online on Xbox 360.
If you mean, can you play a copied Xbox game on your Xbox 360. The answer is yes, but you will need to mod (chip) your xbox.