运行注册机打开注册机后,在1)Patch,勾选Backup、Host和Navicatv12,然后点击Patch按钮:点击Patch找到NavicatPremium12安装路径下的navicat.exe,选中并点击打开:navicat.exe此时出现如下弹窗,提示navicat.exe-x64->Cracked.,提示已破解(别高兴,还没结束)。若提示libcc.dll或navicat.exe出错,检查是否未关闭NavicatPremium,或到安装目录下将libcc.dll和navicat.exe删除,并将libcc.dll.BAK或navicat.exe.BAK去掉.BAK后缀名。否则卸载已安装的Navic