Network Adapter Overview

To access your Network Adapter Settings go to Start ― Control Panel ― Network and Sharing Center ― Change Adapter Settings ― Ethernet Properties ― Networking

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By default Windows leaves many items active that stress the connection, you can deselect everything and leave only IPv4, and if necessary also QoS.

Ethernet Controller Properties Advanced

From Ethernet Properties, click the Configure button and then select the Advanced tab to access the advanced settings.
Property Value
ARP Offload Disabled
DMA Coalescing Disabled
Enable PME Disabled
Energy Efficient Ethernet Off
Flow Control Disabled
Interrupt Moderation Disabled
Interrupt Moderation Rate: Off
IPv4 Checksum Offload Disabled
Jumbo Packet 9000
Large Send Offload V2(IPv4) Disabled
Large Send Offload V2(IPv6) Disabled
Log Link State Event Disabled
NS Offload Disabled
Packet Priority & VLAN Packet Priority & VLAN Disabled
Receive Buffer 1024
Speed & Duplex 1~10 Gbps Full Duplex
TCP Checksum Offload (IPv4) Disabled
TCP Checksum Offload (IPv6) Disabled
Transmit Buffer 2048
UDP Checksum Offload (IPv4) Disabled
UDP Checksum Offload (IPv6) Disabled
Wait for Link Off
Wake from S0ix on Magic Packet Disabled
Wake on Link Settings Disabled
Wake on Magic Packet Disabled
Wake on Pattern Match Disabled

Disable Power Saving

In the last tab Power Management you can access the settings to manage energy saving

To disable energy saving, remove the checkmarks for all available options.

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Useful commands

To run commands you can use Terminal, CMD or Powershell.

Display TCP Global Parameters

Make sure Auto-Tuning Level is set to Normal

  netsh interface tcp show global
To manage the Auto-Tuning Level there are 5 levels available, use the following command to set one.
In most cases it is set to normal by default.
Disabling it can improve latency but can reduce or limit download and upload speed!
Level Value
Normal 0x8 (scale factor of 8)
Disabled No scale factor available
Restricted 0x4 (scale factor of 4)
Highly Restricted 0x2 (scale factor of 2)
Experimental 0xE (scale factor of 14) 
  netsh interface tcp set global autotuninglevel=disabled
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