System Requirements

The following are the minimum system requirements required to utilize APA’s Payroll Source Plus® and The Payroll Source® Online ebook platforms.

Access:An Internet connection is required. Broadband cable, high-speed DSL, fiber-optic, or other equivalent is recommended.

Supported Browsers:Safari®, Firefox®, Internet Explorer®, Chrome®, or Edge®. Please use the most up-to-date version available. Cookies, JavaScript, and popups must be enabled for full site functionality.

To adjust cookie settings, view these instructions from several web browsers:

·         Google Chrome –

·         Microsoft Edge  –

·         Microsoft Internet Explorer –

·         Mozilla Firefox –

·         Safari –

If you are using a different browser, search for “cookies” within the help section of the browser for more information.

- Apple: For the iPad® and iPhone®, use a browser supported by the Apple iOS running on those devices (e.g., all of the above other than Microsoft Internet Explorer).

- Android: Desktop experience functions best in Firefox for Android (free download via the Google Play store).

The reading experience is compatible with all HTML-based browsers. In this capacity, Payroll Source Plus and The Payroll Source® Online are compatible with Chromebooks and other tablets with HTML browsers.

Screen Resolution:Screen resolution of 1024 x 768 or higher is recommended for the best experience.

System Maintenance: The APA Bookshelf will be unavailable for scheduled maintenance from 11:30 p.m. to 12:30 a.m. ET on the third Sunday of every month. In most cases, service will be interrupted only briefly, if at all. This window will be used for testing and upgrades to improve reliability overall.