一、下载和安装

1、⾸先，下载windows版本的sourceTree。直接进⼊官⽹https://www.sourcetreeapp.com/下载
2、双击SourceTreeSetup-3.3.9.exe⽂件进⾏安装，打开时会出现账户注册⻚⾯，点击关闭
3、进⼊%LocalAppData%\Atlassian\SourceTree⽬录下（如下），

[
  {
    "$id": "1",
    "$type": "SourceTree.Api.Host.Identity.Model.IdentityAccount, SourceTree.Api.Host.Identity",
    "Authenticate": true,
    "HostInstance": {
      "$id": "2",
      "$type": "SourceTree.Host.Atlassianaccount.AtlassianAccountInstance, SourceTree.Host.AtlassianAccount",
      "Host": {
        "$id": "3",
        "$type": "SourceTree.Host.Atlassianaccount.AtlassianAccountHost, SourceTree.Host.AtlassianAccount",
        "Id": "atlassian account"
      },
      "BaseUrl": "https://id.atlassian.com/"
    },
    "Credentials": {
      "$id": "4",
      "$type": "SourceTree.Model.BasicAuthCredentials, SourceTree.Api.Account",
      "Username": "",
      "Email": null
    },
    "IsDefault": false
  }
]

其中Username，Email填写为登陆系统⽤户，然后重新进⼊会出现如下窗⼝

选择第⼀个，即安装完成。