You're right that you will need to set the bin directory of the JDK into your path in order to run javac from the command line. Are you having trouble finding where it was installed? The easiest thing might be to search for javac.exe through your file explorer.
I’ve looked at a lot of different solutions, and in my humble opinion Aspose is the way to go. Here’s the link: http://aspose.com
subject: Setting the JAVA_HOME and PATH environment variables.