Chrome
1. In the address bar enter the following: chrome://settings/content/popups
2. Click on the switch next to “Blocked (recommended)” to enable pop-ups.
3. To only allow pop-ups on specific sites click on the “Add” button under “Allow” then enter the address for the site that you wish to enable pop-ups on, then click “Add”.
Firefox
1. In the address bar enter the following: about:preferences#privacy
2. Scroll down to the “Permissions” section then uncheck “Block pop-up windows” to enable pop-ups.
3. To only allow pop-ups on specific sites click on the “Exceptions” button next to “Block pop-up windows” then enter the address for the site that you wish to enable pop-ups on, then click “Allow”. After the site is added click on “Save Changes”.
