Donate buttons let you collect pre-determined amounts or amounts entered by donors, you can create any donate buttons that you add to your Web site using a tool on the PayPal website, or you can manually write HTML code for any donate buttons. You can create buttons with limited functionality before you create your PayPal or with JavaScript disabled in your browser. The easiest way to add any donate button to your website is by using the button creation tool on the PayPal website. After you add a button, you can start accept payments of contribution of your Web site.