Based on your computer type (laptop or PC), your processing system (Mac or Windows), the age of your computer, the amount of ram you have, and your Java version (32 or 64 bit) your computer may not be able to support minecraft.
Sorry but you cant is only in the computer
you cant
You cant, althrough you can put it on a USB
no idea maybe your computer has problems or you did the payment wrong
You can. Your computer is wrong.
Try and send the file to another computer and play it on there!
In the minecraft pocket edition you cant get seed because in the computer version you get seeds from tall grass and there is no tall grass in the minecraft pocket edition
Minecraft uses Java, which is slower than what other games use.
either hardware or software too old and cant be used by current computer system
Minecraft doesn't mess up your computer. Minecraft is a malware free program.
The hamachi part yes as long as the hamachi is active for that server the server itself cant run though as the server is local to the computer.
no you can not