Hard disk in the computer have all the data in it . Searching for files is important to learn because you might have lot of files on your computer in different folders . so to open each drive and open every folder looking for the particular file would be lot of tiresome , and takes lot of time . windows already have search facility for file or folder in it .
If you want to search for a file you must have to know atleast the fulname or part name of that file , or the extension of the file , or just what type of file it is .
Here is the procedure to find for a file in windows XP environment
Click on START button > Search >
It opens a window and left side of the window you can see the pic like this there you have can choose what file you want to search , like if you want to search for pictures / docurments / Music / Video
so click on that and enter the name of file or extension of the file