If you always open the same programs after starting your computer, such as a web browser or an e‑mail program, you might find it convenient to have them start automatically when you start Windows 7.
The location of Startup folder is C:\Users\(User-Name)\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup (You need to customize folder options and show hidden files to make this folder visible)
1.Click the Start button ,click All Programs, right-click the Startup folder, and then click Open .(If you want to add programs to startup for all users,please select Open all users)
2.Right-click the program which you want to starts automatically , and then click Create Shortcut. The new shortcut appears in the same location as the original item
3.Drag the shortcut into the Startup folder
4.Done.(If you want to disable automatically start the program,just remove it from startup folder)