$env:path ="C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\Git\cmd;C:\Program Files\Git\mingw64\bin;C:\Program Files\Git\usr\bin;C:\Users\Administrator\AppData\Local\Microsoft\WindowsApps;C:\mdir" 
 
[System.Environment]::SetEnvironmentVariable("PATH", $Env:Path , "Machine") 
 
 
[System.Environment]::SetEnvironmentVariable("JRE_HOME", "C:\JAVA\JDK1.8", "Machine") 
 
 
"C:\Program Files\Java\jdk1.8.0_144" 
 
[System.Environment]::SetEnvironmentVariable("JAVA_HOME", "C:\Program Files\Java\jdk1.8.0_144", "Machine") 
 
[System.Environment]::SetEnvironmentVariable("M2_HOME", "C:\JAVA\mvn", "Machine") 
 
[System.Environment]::SetEnvironmentVariable("Platform", "x64", "Machine")