First, download the latest administrator version from NOD32 website. Pick a version that suits your Windows platform. We will use Windows XP as the platform for demonstration.
Double click the downloaded file to install.
Press extract to unzip the files.
Click "Next"
Select "I agree", then click "Next"
Enter your username and password, then click "Next"
Click "Next"
Click "Next"
Click "Next"
Click "Next"
Click "Finish" to restart your computer
Create a folder "Mirror" in "C:Program FilesESET"
Open the "NOD32 Control Center", then click "Mirror", then click "Setup"
Check the box "Create update mirror". Make settings according to the picture.
If there are NOD32 English versions installed in your network, please click "Show all language versions". Then select the corresponding language versions.
Click "Yes"
Click "OK"
Click "Update", then click "Update Now"
Click "Yes", to download module updates for other operating systems
If you have entered a valid username and password, you will see the download is in progress. If you see a prompt for username and password, please refer to https://www.eset.hk/support/faq?id=32
Wait for a while. You will see update is complete. Now, the update server is ready.
To let clients update by this update server, you need to know its IP address first. To do this, click "Start", then click "Run"
Type in "cmd", then click "OK"
Type in "ipconfig", then press "Enter". The "192.168.234.131" in the picture indicates this computer's IP address.
On client side, open "NOD32 Control Center". Click "Update", then click "Setup"
Click "Server"
Click "Add"
Type in?http://IPAddress:8081?, Please replace IP Address with your update server's IP address.
Click "OK"
Select the "Server", then click "OK"
Finally you will see the "Server" is changed to your update server. You can click "Update Now" to confirm whether it is working.