这是安装成功了吗？如果是刚成功的，为什么borwser-sync start - -server --files="*"执行不了？

C:\Users\win7>npm install -g browser-sync

npm WARN deprecated debug@4.1.1: Debug versions >=3.2.0 <3.2.7 || >=4 <4.3.1 hav

e a low-severity ReDos regression when used in a Node.js environment. It is reco

mmended you upgrade to 3.2.7 or 4.3.1. (https://github.com/visionmedia/debug/iss

ues/797)

C:\Users\win7\AppData\Roaming\npm\browser-sync -> C:\Users\win7\AppData\Roaming\

npm\node_modules\browser-sync\dist\bin.js

npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@~2.3.2 (node_modules\br

owser-sync\node_modules\chokidar\node_modules\fsevents):

npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@

2.3.2: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"}

)

npm WARN notsup Unsupported engine for yargs@17.1.1: wanted: {"node":">=12"} (cu

rrent: {"node":"10.23.3","npm":"6.14.11"})

npm WARN notsup Not compatible with your version of node/npm: yargs@17.1.1

+ browser-sync@2.27.7

updated 1 package in 25.932s

F:\BaiduNetdiskDownload\PhpStudy2018\PHPTutorial\WWW\yidong>borwser-sync start -

-server --files="*"

'borwser-sync' 不是内部或外部命令，也不是可运行的程序

或批处理文件。