you can, you just need to go to their website and signup and then download the game client.
As long as you can run League of Legends on Windows 7(which you should be able to), you can use the collector's pack, since that is redeemed in the game client store.
You can download it for free from the League of Legends website (link attached). You have to also create a Summoner profile too by signing up.
You go to the bottom of the client and click the addition sign that says "add friends"
If I'm not mistaken the pvpnet patcher kernal is part of the client. Looking at the name I guess that it needs to connect to the league of legends servers to work properly. If it has problems it may crash. The best place to ask these sorts of questions would be on the league of legends forums.
You don't delete League of Legends. League of Legends deletes you.
It means that there was a problem with your client and the game has crashed. If this happens to you the normal thing to do it just restart the game. If you can't restart the game you should go to the league of legends forums and ask about your problem.
the website in where you can change your patch wallpaper and champion skins are leaguecraft.com
There is witchcraft in league of legends.
League of Legends is an Rpg where you **** randon *******
League of Legends is 2.89 GB.
League of Legends happened in 2009.