I am on Windows and I am unable to download but I am able to download on Mac . I also used Crossover (Win emu ) and it doesn’t work and it shows MD-DL-0
Here is what Found by Epic support
You might experience this error if the Epic Games Launcher fails to retrieve the expected data while self-updating Fortnite or downloading games. So, if the error persists even after waiting for a while, you can modify the Engine.ini file of the Epic Games Launcher to fix the error. This hotfix is discussed on the official Epic Games forum and should help you get rid of the error.
Here’s what to do:
First, close the Epic Games Launcher app completely using the Task Manager.
Now, open File Explorer using Win+E and navigate to the following location:
C:\Users\<username>\AppData\Local\EpicGamesLauncher\Saved\Config\Windows
Note: In the above location, replace with your username.
Next, locate the Engine.ini file, right-click on it, and select the Open with > Notepad option from the context menu. You can also open it in any other text editor.
After that, you need to insert the following command line in the opened file:
[Launcher]
ForceNonSslCdn=false
If the above line is already present in the file and it is set to true, change it to false.
Now, click on the File > Save option to save changes in the file.
Finally, relaunch the Epic Games Launcher and check if the MD-DL error has stopped now.
In case there is no Engine.ini file in the above-mentioned location, you need to create one manually. To do that, follow the below steps:
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First, open the Notepad and insert the same command we have written above which is:
[Launcher] ForceNonSslCdn=false -
Now, click on the File > Save as option and then set the Save as type to All Files.
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After that, name the file as Engine.ini and save it at the C:\Users\\AppData\Local\EpicGamesLauncher\Saved\Config\Windows location.
Read: Can’t Uninstall Epic Games Launcher in Windows.