minecraft itself won't make any 'changes' to your computer apart from taking up space on your hard drive.
Having Minecraft on your computer is unlikely to slow it downTrying to run Minecraft andseveralother things at once might thoughIf your computer has little RAm or an older OS or version of Java, Minecraft itself might run slowlyThis can be avoided by changing the video settings to reduce performance
No, it is not part of the unmodded game.
All you have to do is delete your .minecraft folder and run Minecraft agian. It will make a new one, then try installing it agian.
No, unless you save a world on your computer files
you can't, maybe there is a mod for or something but in default minecraft there are no computers...
First, make sure you have a paid for account. If not, go to minecraft.net . Then, download the minecraft launcher. Put in your username and password, and you should be good to go. If that doesn't work, try downloading the latest version of Java. Still having problems Try installing new drivers. And it's still not working after all that Your computer's graphics chip may not withhold the capabilities of running minecraft. Try getting a new computer...
Often FrostWire does make your computer slow. It will be running in the background when you are downloading songs and this slows down the computer.
add more ram
Make sure your computer is able to run iTunes. Check your security system and make sure it does not block downloads.
log in to minecraft, click singleplayer, click create new world, then choose what you want in it.
notch used programming which i have no idea how to do but long minecraft commands are pretty much the same thing.
You cant, but in tekkit you can try searching tekkit on the web and try downloading it. Its actually just minecraft with more or less 31 mods in it its a bit complicated but youll get the heck of it when you play it.