1.well the easy step to do is go to install folder 2.copy the address of bin folder 3.open my computer properties -> advanced system setting -> environment variables 4.click on new and past that address and name it as path if the address is in the bin and put ; 5.again new past the address remove bin and insert lib and names it as classpath 6.put ; after end 7.restart cmd 8.open cmd check by typing javac thats it

1. well the easy step to do is go to install folder
2. copy the address of bin folder
3. open "My computer properties" -> "Advanced system setting" -> "Environment variables"
4. click on "New" and paste that address and name it as path if the address is in the bin and put ;
5. again, click "New", paste the address, remove bin and insert lib and name it as classpath
6. put ; after end
7. restart cmd
8. open cmd check by typing javac

That's it