A unique problem was reported by a user on the SuperUser forum: their Acer Aspire laptop running Windows 10 could not see the E5576's Wi-Fi network at all, despite other devices seeing it perfectly.
Switch from a USB 3.0 port (blue) to a USB 2.0 port (black), or vice versa. Compatibility with Newer Operating Systems
The downloaded file will likely be in a .zip or .rar format. Use a tool like WinRAR or 7-Zip to extract it.