I think Windows 7 is the best Microsoft operating system to date and is very easy to install compared to windows XP. Before starting the installation we should make sure that the computer have a all the Hardware requirements for installing Windows 7.
STEP 1 : Start your computer. And then Press f2 or delete at start up to enter the bios(basic input/output system) menu. After select First boot device as"CD ROM" if you installing from DVD ROM. Then Select second boot device as "Hard Disk" so that the computer boots from Hard disk if OS is not in DVD ROM. Then Press f10 to save your settings and select yes to restart your computer.
STEP 2 : Insert the installation disc for Windows 7 and start your computer. The computer will ask you to "Press any key to boot from CD/DVD".Then Press any key on your keyboard and it will Automatically start loading the operating system from the CD.
STEP 3: After that loading windows 7 successfully, it opens an install window. Enter the Language time & currency format and keyboard or input method. Click "Next". The "Install windows 7" screen will appear.
STEP 4: After that click on the "Install now" Button. Therfore Setup will start and you will see a message on the screen "Set up is starting".
STEP 5 : Now it will show the License agreement screen. Check the "I accept the License terms" and click "Next". The "Install windows" wizard will appear.
STEP 6 : Select Custom(Advanced) option. The screen will prompt you to select the location to install windows. Click drive option (Advanced menu). Click on "New", you are then asked to allot a size on the disk for installation. Enter the appropriate volume size and then click "Apply" to create partitions for the installation, click "Next". Windows will start the installation. Now the installation status screen appears. You will have to wait for the following tasks to get complete.