但是话说回来，微软策略就是备份了密钥才会启动加密，所以他不是没有密钥，而是自己忘了放哪了。  OH, use another bowser to download it.  I imagine that worked for a number of people.   I don't Assume it likes  Microsoft Edge.  Try downloading it on An additional Pc.  Then you can  copy the  .exe inst