Angular CLI installation on Windows 8.1

Question

Installed Versions :

• node v8.9.4
• npm v5.6.0

I tried

npm install -g -f angular-cli npm install -g @angular/cli

This didn't work. So, I tried

npm uninstall @angular/cli
npm cache verify
npm install -g @angular/cli

But again installation stops at some line shown in image

Answer 1

使用管理访问权限运行NodeJs 命令提示符（以管理员身份运行）并通过点击命令安装 AngularCli -

npm install -g @angular/cli

Answer 2

以管理员身份运行命令提示符并尝试命令

npm install -g -f angular-cli 

Answer 3

It could be because you are behind a corporate firewall.

In this case, you need to set the npm proxy settings

npm config set proxy http://proxy.com:port
npm config set https-proxy http://proxy.com:port

Answer 4

Installed Versions :

• node v8.9.4
• npm v5.6.0

I tried

npm install -g @angular/cli

This didn't work. So, I tried

npm uninstall @angular/cli
npm cache verify
npm install -g @angular/cli

But again installation stops at some line shown in image