First open your application by default it will be into ENCODE FILE tab if not then click on "ENCODE FILE" Tab, now click on "Browse" for select a file that you want to protect. Our application will support any tpe of file include any moviee format also, we recomend maximum upto 250 mb file size althoug it will support upto 517 MB that will be depend on your system. After select your file set your password that you will be able to remember, now re enter your password and click on "Encode now" button. Select "Enable authorization" if you want befor Click Encode Now Button, for details about "Enable authorization" feature click here. Remember:- You will get your encoded file into your source folder after encode or encrypt your file with extension of ".encd". Before remove your source(unencrypted file) from your PC copy the encoded file into a different location and decode it for testing, delete your source file after successfull decode test, we recomend also one copy of your encoded file keep into any safe place like your google drive. our secure storage or any off line storage for avoid any ransomewar or virus effect, if your encoded file corrupted by any unwanted application then it will not be decod. and no way to recover it. REMEMBER Enable Authorization facility is not available on Trial application because every trial version UNIQUE ID is same for all users. also all trial version encoded file will be decoded by licensed version (using correct password) but any licensed version encoded file will not be decoded by any trial version with correct password.