First of all, you have to know about iMac computers that are a member of Macintosh family. Their advantage is that are running under Mac OS X operating system which is considered the most advanced operating system in the world. Another advantage is that doesn’t get viruses as easy as the Windows based computers does.
You have to know about iMac that its price doesn’t contain the computer’s peripherals such as mouse and keyboard. In order to use your iMac, you have to purchase these accessories directly from Apple’s online Store where you will find the best quality products.

Some iMac computers have already installed Snow Leopard operating system which is an upgraded version of Mac OS X. You have to know about this Mac OS version that is running only on Intel based computers. So, you can easily change your operating system to Windows 7 for example, in case that you are bored of Snow Leopard. The only condition is to have an Intel based iMac. In order to replace your installed Snow Leopard operating system on your iMac to Microsoft Windows, you have to take in consideration some basic steps. Before you start the process, you have to know that requires a completely erase of the hard drive. Tip number one is to insert into the computer’s optical drive the Windows 7 installation DVD end restart your iMac. While the system is booting up, you have to press with your finger the “C” button from the keyboard. The system will automatically recognize the new inserted DVD. Soon appears a welcome window where you have to click “Next” tab. Before you start the installation process, you have to remove all the partitions.

For this process you have to highlight them and click on “Delete” option. After you have read the license agreement, you have to check the “I Agree” box. During your installation process you have to follow the instructions carefully. In case that you will not install the operating system correctly, later you will have problems with the system. After you have inserted into your iMac computer’s optical drive the Windows DVD, you have to erase and replace it with the Snow Leopard installation disk. In order to configure your iMac computer’s new installed operating system, you have to install firstly “BootCamp” application. After you have done all these, finally you have to restart the computer. Before you start the installing process, it is very important to back up your important files and the programs that you will need, because the hard drive will be completely erased. In case that you don’t have one of the installation disks, go to Apple’s Store and you can purchase them. In order to avoid the problems, it is very important to work with original DVDs.