官方下載地址：https://www.scala-sbt.org/download.html?spm=a2c4e.11153940.blogcont238365.9.42d147e0iF8dhv

解压即安装，配置环境变量。

在conf文件夹下新建repo.properties（默认源真的无法忍受）

[repositories]  
  local
  Nexus osc : https://code.lds.org/nexus/content/groups/main-repo
  Nexus osc thirdparty : https://code.lds.org/nexus/content/groups/plugin-repo/
  typesafe: http://repo.typesafe.com/typesafe/ivy-releases/, [organization]/[module]/(scala_[scalaVersion]/)(sbt_[sbtVersion]/)[revision]/[type]s/[artifact](-[classifier]).[ext], bootOnly  
  typesafe2: http://repo.typesafe.com/typesafe/releases/
  sbt-plugin: http://repo.scala-sbt.org/scalasbt/sbt-plugin-releases/
  sonatype: http://oss.sonatype.org/content/repositories/snapshots  
  uk_maven: http://uk.maven.org/maven2/  
  ibibli: http://mirrors.ibiblio.org/maven2/  
  repo2: http://repo2.maven.org/maven2/

  comp-maven:http://mvnrepository.com/artifact/
  store_cn:http://maven.oschina.net/content/groups/public/
  store_mir:http://mirrors.ibiblio.org/maven2/
  store_0:http://maven.net.cn/content/groups/public/
  store_1:http://repo.typesafe.com/typesafe/ivy-releases/
  store_2:http://repo2.maven.org/maven2/

  sbt-releases-repo: http://repo.typesafe.com/typesafe/ivy-releases/, [organization]/[module]/(scala_[scalaVersion]/)(sbt_[sbtVersion]/)[revision]/[type]s/[artifact](-[classifier]).[ext]
  sbt-plugins-repo: http://repo.scala-sbt.org/scalasbt/sbt-plugin-releases/, [organization]/[module]/(scala_[scalaVersion]/)(sbt_[sbtVersion]/)[revision]/[type]s/[artifact](-[classifier]).[ext]
  maven-central: http://repo1.maven.org/maven2/

验证效果

sbt

看是否进入sbt shell