Install nodejs under win7

As a JavaScript server-side running environment, Node.js has received more and more attention and application in today's program development field, especially in web services and back-end development. Let's take a look at how to install Node.js under Windows 7.

First, we need to download the installation package of Node.js. You can find the version suitable for our Windows 7 system on the official website of Node.js https://nodejs.org/en/. Generally speaking, we choose the Windows Installer (.msi) installation package.

After downloading the installation package, double-click to open it, and the installation wizard will appear. Click "Next", read and accept the License terms, click "Next", select the directory and components we want to install, follow the default settings here, click "Next", and then continue to click "Next" until the end Step 1, click "Finish".

In Windows 7 system, we need to set environment variables in "Control Panel"-"System and Security"-"System"-"Advanced System Settings"-"Environment Variables" and add Node.js to In the system's PATH environment variable, we can access Node.js in any directory.

To ensure whether the installation of Node.js is successful, we can enter the following command on the command line:

node -v

If the installation is successful, the version number of Node.js should be displayed. At this point, we have completed the installation of Node.js under Windows 7.

Of course, in the daily development process, we also need to install some commonly used Node.js modules and tools, such as NPM, Express, MongoDB, etc. Among them, NPM is a package management tool that can help us easily download and manage third-party modules of Node.js. The usage method is as follows:

npm install <module-name>  // 安装模块
npm uninstall <module-name>  // 卸载模块
npm list  // 查看已安装的模块

In addition, when using Node.js for back-end development At the same time, we also need to match the corresponding framework and database, such as the commonly used Express framework and MongoDB database. I won’t go into details here.

Generally speaking, the installation of Node.js under Windows 7 is relatively simple. You only need to download the installation package, follow the installation wizard, and then add Node.js to the PATH environment variable of the system. Of course, in the daily development process, we also need to install some commonly used modules and tools, as well as match the corresponding frameworks and databases. I believe that with this simple guide, you can easily complete the installation and use of Node.js under Windows 7.

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