2.解压
3.配置系统环境变量
4.cmd 如下操作：
C:\Users\Administrator>nexus -version
Usage: nexus { console : start : stop : restart : install : uninstall }
请按任意键继续. . .
C:\Users\Administrator>nexus install
wrapper | nexus installed.
C:\Users\Administrator>nexus start
wrapper | Starting the nexus service...
wrapper | Waiting to start...
wrapper | Waiting to start...
wrapper | Waiting to start...
wrapper | Waiting to start...
wrapper | Waiting to start...
wrapper | nexus started.
C:\Users\Administrator>