[Baghi]

You can chose a different download region, which is near to you in Europe.
Your Steam download speed, according to speedtest.net is exactly what it should be; it's 0.42 Mbps, not 4.20 Mbps (which you believe is).
It is possible that the game server is located at a longer distance than your speedtest.net server you're pinging.

How much are you paying?