1 下载地址； https://dl.google.com/release2/h8vnfiy7pvn3lxy9ehfsaxlrnnukgff8jnodrp0y21vrlem4x71lor5zzkliyh8fv3sryayu5uk5zi20ep7dwfnwr143dzxqijv/49.0.2623.112_chrome_installer.exe 2 直接 双击 49.0.2623.112_