I just downloaded Xara 3D Maker 7 for my Windows 10 computer and the installer disappears when it tries to download. I've turned off the firewall to see if that would help, but it does the same thing. I was wondering if you had any suggestions.
Following @johnebaker's comment, where did you download the installer from?
I have it successfully installed and running under Win 10 but I actually bought it several years ago. I see it still listed in my Magix account, along with its serial key, and actually still have the full installer, not the download manager, saved to my computer.
@Andy-Kryst Could also be caused by your Antivirus software, either ran by Windows or as a standalone antivirus software. This needs to be disabled separately from the firewall.