Launcher allows users to download large files without being limited by a host's bandwidth by using a peer-to-peer protocol.
However, slow download speed can be caused by:
- Closed ports. Pay attention to network status at the bottom of the game launcher. If there are some errors you will see a list of ports to be opened. For example: 80443 27022 8090 6881 27032-27042 5222 3478-3480 7800-7802
- The upload bandwidth of the person(s) you're downloading from is maxed out.
- The peer you're downloading from may be too far from you (maybe in another continent) and there's too many hops in the connection between you and your peer.
- Its also possible that either your ISP or the other user's provider has limited overseas bandwidth available. So please contact your Internet provider to learn if they are blocking the p2p connection.
You can check which exact ports are blocked with IsMyPortBlocked service.