Open your Firefox browser and go to the Multi-Account Containers extension page .
Click the "Add to Firefox" button to add the extension to your browser.
Click the Add button again in the pop-up window on the right.
Once you have installed the Cross-Account Containers extension, click on the hamburger menu that appears as three lines in the upper right corner and click on Settings from the drop-down menu.
Once the settings page opens, scroll down to the Tabs section argentina mobile database and check the box next to Enable Container Tabs. This should be automatically enabled if you installed the Cross-Account Containers extension.
Opening websites in containers
Now you're ready to create containers for your tabs. For example, you might start by creating a container for your social media websites.
To create a new container, open a tab and navigate to any social media website you want to add to the container.
Right-click on the tab and then select "Open in new container tab". You can choose what type of container you want to open the website in from the options on the right.