try this: open your cmd: change directory with : cd C:\kafka_2.11-2.0.0
if you change directory you will do this
C:\kafka_2.11-2.0.0> bin\zookeeper-server-start.bat config\zookeeper.properties
C:\kafka_2.11-2.0.0> bin\kafka-server-start.bat config\server.properties
if you don't change directory do this.
>C:\kafka_2.11-2.0.0\bin\zookeper-server-start.bat C:\kafka_2.11-2.0.0\config\zookeeper.properties
> C:\kafka_2.11-2.0.0\bin\kafka-server-start.bat C:\kafka_2.11-2.0.0\config\server.properties