To enable third-party cookies on a Mac, you must adjust the privacy settings within your specific web browser. While most browsers allow you to toggle this on for all sites, Apple's Safari uses which may still limit some cross-site tracking even when general cookies are enabled. Safari Open Safari and click on Safari in the top menu bar. Select Settings (or Preferences in older macOS versions). Navigate to the Advanced tab at the top right. Deselect (uncheck) the box for Block all cookies .

Google Chrome allows you to explicitly enable third-party cookies, though they are phasing this functionality out in future updates.

Note: Most modern browsers (like Safari and Chrome) have evolved to block third-party cookies by default for privacy reasons. While you can enable them in some browsers, others (like Safari) use "Intelligent Tracking Prevention," which cannot be fully disabled, though you can adjust settings to allow certain cross-site functionality.

Third-party cookies are often required for specific websites to function correctly, such as login portals, embedded videos, or shopping cart features. Below are the steps for the three most popular browsers on macOS: Safari, Google Chrome, and Mozilla Firefox.

If you only need cookies for one specific site (recommended for security):