NeuOPC install 
This example uses windows 7 SP1 32-bit system to demonstrate
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NeuOPC can only run on Windows 7 SP1 and above and requires the installation of the KB3063858 and KB2999226 updates.
Install the NeuOPC runtime environment 
- Enter NeuOPC Project releases page to download the latest version component package "neuopc-package.zip". After decompression, you can see the following files:

- neuopc.exe-the main program to run OPC DA to convert OPC UA;
- dotnetfx-1.1-.Net framework 1.1, you need to correct this program before installing OPC DAAuto;
- OPC DA Auto 2.02 Source Code 5.30.msi-the official component of the OPC Foundation, Install using Windows Task Manager;
- OPC Core Components Redistributable (x64) 3.00.108.msi-OPC Foundation official components, no need to install;
- OPC Core Components Redistributable (x86) 3.00.108.msi-OPC Foundation official components, no need to install;
- Check if .Net framework 1.1 has been installed, if not, install - dotnetfx-1.1;
- Use the task manager to install - OPC DA Auto 2.02 Source Code 5.30.msi, open the Windows Task Manager -> File -> New Task, enter the MSI file path, and check- Create this task with system administrative rights;

- Check if the component is installed.
- If it is a 32-bit operating system, enter the C:\Windows\System32directory, if it is a 64-bit operating system, enter theC:\Windows\SysWOW64directory, and check whether the following files exist:

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If the file does not exist then contact sales for support.
- Open Windows Task Manager to check whether the OpcEnumsystem service is running, as shown in the figure:

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If it works normally, it means that OPC DA Auto 2.02 has been installed normally.
- Install the MatrikonOPCSimulation simulator program locally, if the installation fails, you can install KepServerEX for testing; 
- Run the neuopc.exe program, select - OPCDA Hostand- OPCDA Serverand click- Connection Test, set the parameters of UA and click- Start, the operation is successful, as shown in the figure:

