<configuration>
   <property>
       <name>fs.defaultFS</name>
       <value>hdfs://localhost:9000</value>
   </property>
</configuration>
  
Rename “mapred-site.xml.template” to “mapred-site.xml” and edit this file C:/Hadoop-2.8.0/etc/hadoop/mapred-site.xml, paste below xml paragraph and save this file.
<configuration>
   <property>
       <name>mapreduce.framework.name</name>
       <value>yarn</value>
   </property>
</configuration>
  
Create folder “data” under “C:\Hadoop-2.8.0”
      
Create folder  “datanode” under “C:\Hadoop-2.8.0\data”
      
Create folder  “namenode” under “C:\Hadoop-2.8.0\data”
  
Edit file  C:\Hadoop-2.8.0/etc/hadoop/hdfs-site.xml, paste below xml paragraph and save this file.
<configuration>
   <property>
       <name>dfs.replication</name>
       <value>1</value>
   </property>
   <property>
       <name>dfs.namenode.name.dir</name>
       <value>/hadoop-2.8.0/data/namenode</value>
   </property>
   <property>
       <name>dfs.datanode.data.dir</name>
       <value>/hadoop-2.8.0/data/datanode</value>
   </property>
</configuration>
  
Edit file C:/Hadoop-2.8.0/etc/hadoop/yarn-site.xml, paste below xml paragraph and save this file.
<configuration>
   <property>
    	<name>yarn.nodemanager.aux-services</name>
    	<value>mapreduce_shuffle</value>
   </property>
   <property>
      	<name>yarn.nodemanager.auxservices.mapreduce.shuffle.class</name>  
	<value>org.apache.hadoop.mapred.ShuffleHandler</value>
   </property>
</configuration>
  
Edit file C:/Hadoop-2.8.0/etc/hadoop/hadoop-env.cmd by closing the command line  “JAVA_HOME=%JAVA_HOME%” instead of set  “JAVA_HOME=C:\Java” (On C:\java this is path to file jdk.18.0)
  
Dowload file Hadoop Configuration.zip
  
Delete file bin on C:\Hadoop-2.8.0\bin, replaced by file bin on file just download (from Hadoop Configuration.zip).
  
Open cmd and typing command “hdfs namenode –format” . You will see 
Testing
  
Open cmd and change directory to “C:\Hadoop-2.8.0\sbin” and type “start-all.cmd” to start apache.
  
Make sure these apps are running
      
Hadoop Namenode
      
Hadoop datanode
      
YARN Resourc Manager
      
YARN Node Manager
  
Open:  http://localhost:8088
  
Open:  http://localhost:50070
    
Congratulations, Hadoop installed.