You will need
  • program AIDA64 Extreme Edition;
  • utility TuneUp Utilities.
In laptops, the serial number can be found in several ways. One of them is to just look at the documentation to the portable device. Often it is stated in the warranty sheet to the laptop is nearly always on the back of the mobile computer. There are cases where the serial number can be found under the battery. To do this, remove the battery and view a room in the compartment.
As for the serial numbers of a desktop computer, it is ID your motherboard. In order to know the serial number of the home PC, you'll need the program AIDA64 Extreme Edition. Download it from the Internet. The program is commercial but has a free period of use, which is one month.
Install the application on your computer. Run it. Wait for a while until the program will collect information about your system. In the right window of the main menu, click on "motherboard". In the next window, select "motherboard".
A window will open in which you will detailed information about your motherboard. This information will be broken down into several sections. Locate the section titled "motherboard Properties". In the properties of the motherboard there is a line ID. This is the serial number of your computer.
Also check the serial number, you can use utilities TuneUp Utilities. Download the program from Internet and install it on your computer. Run the application. Wait until the scan is complete system. This process can be a bit lengthy, but it is only after the first run of the program.
In the main program menu select "Fix problems", then on "Show system information". After this, go to the section "System devices". It is the serial number of your computer.