输入快捷键Ctrl+`
在最下面的命令提示栏内，输入
【参考网址：https://packagecontrol.io/installation#st3】
import urllib.request,os,hashlib;
h = \'6f4c264a24d933ce70df5dedcf1dcaee\' + \'ebe013ee18cced0ef93d5f746d80ef60\';
pf = \'Package Control.sublime-package\'; ipp = sublime.installed_packages_path();
urllib.request.install_opener( urllib.request.build_opener( urllib.request.ProxyHandler()) );
by = urllib.request.urlopen( \'http://packagecontrol.io/\' + pf.replace(\' \', \'%20\')).read();
dh = hashlib.sha256(by).hexdigest();
print(\'Error validating download (got %s instead of %s), please try manual install\' % (dh, h)) if dh != h else open(os.path.join( ipp, pf), \'wb\' ).write(by)
下载完成之后，Preference下会有Packege Settings和Package Control 。
Ctrl+shift+p呼出命令输入窗口，输入install可以安装package。
hosts屏蔽purchase提示：
127.0.0.1 license.sublimehq.com 127.0.0.1 45.55.255.55 127.0.0.1 45.55.41.223