How to add visualforce page in home page in salesforce?

If you want add visualforce page to home please follow the below

Step 1:-

Setup-->Customize-->Home--> Home Page components
click on Home Page components
In custom components section click on New
Give the name you want
We can show four different components in that Choose Visualforce Area click next
Component Position: Wide (Right) Column
Visualforce Page : Graduate List
Height (in pixels): 400
click save

Step 2:-

Setup-->Customize-->Home-->Home Page Layouts
In Home Page Layouts click on default then click on edit
In Select Wide Components to Show section check the Graduate List
then click next and then save
now check it will display like below.