Instructions to allow popups. Updated instructions based on changes in Safari 12 and later. 

To disable the Pop-up Blocker in Safari, please follow the instructions below:

1. Open Safari.

2. Click Safari in the top menu bar and select Settings (or Preferences in older versions).

3. Go to the Websites tab.

4. In the left sidebar, select Pop-up Windows.

5. At the bottom right, find the option "When visiting other websites" and select Allow from the dropdown menu.

Or, if you prefer to only allow Popups on specific websites, please follow the steps below:

1. Follow steps 1-3 above.

2. Look for the website you want to allow pop-ups for under "Currently Open Websites."

3. Change its setting from Block and Notify or Block to Allow.