Watch the video:
Timestamps:
0:00 - Explanation
0:35 - Firewall
3:10 - Reset ESO ProgramData
3:47 - Launcher Repair
4:20 - Reinstall C++ & DirectX
Grabbed ESO on sale, or want to play the trial? Stuck in the launcher? Well, this video may be exactly what you’re looking for.
VC++: https://support.microsoft.com/en-us/help/2977003/the-latest-supported-visual-c-downloads
DirectX: https://www.microsoft.com/en-us/download/confirmation.aspx?id=35