Opening Windows XP Windows always maximized

The window size is set upon opening to the same size as when it was last closed. If you would like the Internet Explorer windows to open always in maximized mode, please use the following steps:

1. Launch only one Window.
2. Right-click on the Window Title bar and click on Maximize or Click on Maximize icon on the title bar.
3. Close the Window.

From next time, all Windows will open in maximized window.

You can also follow the below steps:

1) Launch Window,
2) Take your mouse to right boundary or border of Window,
3) Try to adjust the mouse arrow cursor till you can see two headed black arrow, (It may look like <->)
4) Then left click and drag (holding left mouse button continuously till the dragging operation ends) Window to fit the entire screen,
5) Then take your mouse cursor to down border or boundary of Window,
6) Try to adjust the mouse arrow cursor till you can see two headed black arrow, (It may look like upside down of <->)
7) Then left click and drag the Window to fit the entire screen.
8) Then take your mouse to top boundary or border of Window,
9) Try to adjust the mouse arrow cursor till you can see two headed black arrow, (It may look like upside down of <->)
10) Then left click and drag (holding left mouse button continuously till the dragging operation ends) Window to fit the entire screen
11) Then take your mouse to left boundary or border of Window,
12) Try to adjust the mouse arrow cursor till you can see two headed black arrow, (It may look like <->)
13) Then left click and drag (holding left mouse button continuously till the dragging operation ends) Window to fit the entire screen,
14) The finally click on Maximize button.

So, when you open web pages using Windows next time, they will fit the entire screen.

Also please visit:

Article Title: Working with windows and Changing the size of a window
http://windowshelp.microsoft.com/windows/en-us/help/aea66e2a-f165-4a8b-aa00-8748e75389841033.mspx

Note: Although the above article applies to Windows Vista, you can follow the same logic to maximize the Windows of Windows XP.