Ensure that pop-ups are enabled in your browser:

• Chrome: Go to Settings > Privacy and security > Site Settings > Pop-ups and redirects, and allow pop-ups for this site.
• Firefox: Go to Settings > Privacy & Security > Permissions > Block pop-up windows, and add an exception for this site.
• Safari: Go to Preferences > Websites > Pop-up Windows, and allow pop-ups for this site.
• Edge: Go to Settings > Cookies and site permissions > Pop-ups and redirects, and allow pop-ups for this site.