Enter PayPal e-mail address and password.  Login

Select Merchant Tools from the tabs at the top right of the computer screen.

Scroll to the middle of the page and click on "Buy Now Buttons"

Fill in the production information.
Press Create Button Now.

You may want to add more options. To do this press the "Add More Options" button, add your options (not covered in this tutorial), then press "Create Button"

Encrypt:  I usually select NO for encryption because I want an e-mail link to be generated.  If you select YES, you'll have to experiment with what that means for your store and the way you want everything set up.

Highlight the HTML code
Press the right mouse button
Select COPY
Then go into your HTML web site editor to the page and location where you want the button to appear.