You will need
  • Computer;
  • program CPU-Z.
The first thing you need to know from which company you have a CPU at the moment. Today, their only two: AMD and Intel. It can be done. Just right click on "My computer". Then select "Properties". A window will appear in which you will be able to see this information. If you have AMD processor, then it means that you can pick up a new will from AMD. Similarly with Intel.
Now you need to know the socket of your motherboard. From a socket Board depends on what kind of processor it will do. This can be done in two ways. The first way is to look in the manual (the manual for your motherboard). There must be information about the socket.
If you do not have a manual transmission, you'll like the second method, namely the use of special software. Download online free program CPU-Z. Unzip the archive to any folder. Most versions of this program does not require installation. But not all. If you downloaded the version of the program which needs installation, you will need to install it to PC hard disk.
Run the program. In the first of her window, locate the line Package. The value of this string is the version of the socket of your processor. Now that you know on the Internet to see which processor will fit your motherboard, and choose the most appropriate model for you. And then purchase it in the store. Also, many online stores have online services through which you can pick up a CPU for your socket.
If you don't want to bother to search for a CPU, you can just record a version of the socket of the motherboard. Then go to any computer store, show it to the seller, and he in turn will help you to choose the processor that will be compatible with your motherboard.