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...
There is no need for a program. All Minecraft requires is that Java is downloaded and installed, and that your computer is fast enough to run it. If you have these things, than your in the clear.
Minecraft doesn't physically harm your computer despite requiring lots of resources to run
That is impossible to awnser. 'Cause it depends on what sort of computer you have.
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
You absolutely MUST have Java to play or run Minecraft, and there is no legal online version of Minecraft. You must download Minecraft to your computer.
No. You can play Minecraft singleplayer on any type of computer that's able it run it.
In a sense, yes, but in another sense, no. You do not need to install Minecraft to play it on a computer, you can simply run it in your internet browser on Minecraft.net. However, if you want to run Minecraft without an internet connection, or without visiting Minecraft.net, you must install Minecraft on your computer. You can install Minecraft on multiple computers under the same account, but your saved worlds will not sync between computers.
Minecraft does not charge you to run a server for the game. You will, however, have to posses a computer to be the server. Otherwise you will have to rent a server to run for you, which costs money.
It is easier to run minecraft because minecraft does not require much graphics rendering. Garys mod is run using steam and most steam games have heavy graphic needs.
If you can get the Minecraft demo to run on your PC it is very likely you will be able to play the full game. The more things happening in the surrounding areas will have a larger impact on your computer.
Minecraft uses Java, which is slower than what other games use.
Thats just a case, not a computer.