How can I add program folder to PATH environment variable?

Actions to add a path to a PATH environment variable

1. On the Start menu, right-click System.
2. Select System Information.
3. Select Advanced system settings.
4. On the Advanced tab of the System Properties dialog box, click the Environment Variables button.
5. In the System Variables field of the Environment Variables dialog box, scroll to the Path variable, and then select it.
6. Click the bottom of the two Edit buttons in this dialog box.
7. In the Modify System Variable dialog box, click Create
8. Click OK in three consecutive dialog boxes, and then close the System dialog box.