You can set GMX Search as a start page in Microsoft Edge, which means GMX Search opens
every time you start a new session in your browser. Follow these steps:
GMX Search is set as the new start page in Microsoft Edge.
Click on the menu icon (…) in the top right corner of
your browser window.
Click on Settings.
In the menu on the left side, click on start-up.
Click on Open a specific page or pages and then on
Add new page.
Enter the URL for GMX Search.
Click on Add.