双击打开->点那三个点->找到你的.minecraft文件夹，点确定->等10~30分钟->用启动器打开一次->OK了
可能需要VPN

安装完也有提示说Successfully installed client什么的，但是依旧无法启动
日志：[20:27:20][main/INFO] Initialized settings.
[20:27:29][AWT-EventQueue-0/INFO] Start generating launching command...
[20:27:30][Game Launcher/INFO] *** Make shell command ***
[20:27:30][Game Launcher/INFO] On making head command.
[20:27:32][Game Launcher/INFO] Java Version: 1.7.0_51
[20:27:32][Game Launcher/INFO] Java Platform: 32
[20:27:32][Game Launcher/INFO] System Platform: 32
[20:27:32][Game Launcher/INFO] System Physical Memory: 3990
[20:27:33][Game Launcher/INFO] On making launcher args.
[20:27:33][Game Launcher/INFO] Starting process
错误: 找不到或无法加载主类 org.jackhuang.hellominecraft.launcher.Launcher

好古董的Java，更新一下
https://pan.baidu.com/s/1c1X50f2
不建议144版本，可以看看92或111

更新到java8么？

还是不行，网盘的java需要账号才可以下（本人没手机，被没收了qwq）
日志：[13:26:51][AWT-EventQueue-0/INFO] Start generating launching command...
[13:26:53][Game Launcher/INFO] *** Make shell command ***
[13:26:53][Game Launcher/INFO] On making head command.
[13:26:53][Game Launcher/INFO] Java Version: 1.8.0_144
[13:26:53][Game Launcher/INFO] Java Platform: 32
[13:26:53][Game Launcher/INFO] System Platform: 32
[13:26:53][Game Launcher/INFO] System Physical Memory: 3990
[13:26:54][Game Launcher/INFO] On making launcher args.
[13:26:54][Game Launcher/INFO] Starting process
错误: 找不到或无法加载主类 org.jackhuang.hellominecraft.launcher.Launcher
Java HotSpot(TM) Client VM warning: Using incremental CMS is deprecated and will likely be removed in a future release