1. Download nexus3
nexus3 download link: http://www.sonatype.com/download-oss-sonatype
2. Unzip the zip package of nexus3, find the \nexus-3.3.1-01\bin folder, shift+right click -> open the command window here
3. Enter nexus.exe/run -> press enter
4. After waiting for a few minutes, "Started Sonatype Nexus OSS 3.3.1-01" appears on the console to indicate a successful startup, and the file "nexus.vmoptions" is generated in the bin folder, which is a configuration file.
