Microsoft Office 2003 software is developed by Microsoft for Windows and other operating systems. Its main applications are Word, Excel, Outlook, PowerPoint and Access. It is most popular suite as it has been the most widely used since its versions for Windows 1.0 which was launched in 1990.

If you want to install Microsoft Office 2003 on your system then follow these guidelines:

STEP 1. Insert the Office 2003 Installation CD into your computer’s CD drive. It will take few seconds to start the installation process. If the installation does not start automatically, open 'My Computer', then open the "OFFICE11 CD", and double-click the "SETUPPRO.EXE".

STEP 2. Now the setup will prompt for the Office 2003 product key.

STEP 3. Type the product key in the key field. Enter only five characters per field box, and make sure that there are a total of 25 characters. After entering the complete product key, click 'Next'. If you are unable to find the product key on the CD then click on the Windows help icon on the product key page to open the Microsoft help topic page.

STEP 4. The next step of the Office 2003 setup will prompt you for your user name, initials, and organization. Click 'Next' once you enter this information correctly.

STEP 5. The next screen shows the End-User License Agreement (EULA). Now click the checkbox at the bottom corresponding to "I accept the terms in the License Agreement". Without accepting the EULA, the setup will not proceed further, so, it is recommended that you go through this once. Then click 'Next'.

The next window shows the installation options for MS Office 2003. If you want to install every application that MS Office provides, click the selection button 'Complete'. Then click 'Next' at the bottom of the window. This will start the installation process. The other installation options are as follows:

Typical Install: As the name says this option installs the applications and options most commonly used by the people.

Minimal Install: This is a basic installation that has a viable choice if you're have low hard disk space.

Custom Install: Here's where you'll find maximum configurability. If you have a good idea of how you'll be using Office and its individual applications, this selection will let you tailor the installation more tightly to your specific needs.

Once you're done selecting what type of install to do, the 'Begin Installation' window will appear. Now, click on the 'Install' button and this will start the process of installing Microsoft Office 2003 on your computer. After starting the installation process, a progress bar will be displayed showing that Microsoft Office 2003 is currently being installed on your computer. After a few minutes, MS Office 2003 will be completely installed on your system and now you can enjoy working with Office 2003.