Enter cmd terminal: then type ency with the file name you want to encrypt, which be followed by key. For example: ----------------------------------------------------------- | Mircrosoft Windows ( Version 10.0.xxxx) | | (c) 2019 Mircrosoft Corporation. All right reserved | | | | C:\Users\hello\Desktop\ency ency.exe Hi,I_am_password. | | | |---------------------------------------------------------- If all thing is ok, then you would find a file with the named of encrypted file which have -u- before. And the decipherment is likeness.The encrypted file encrypt with the same key which used to encrypt file will become deciphered. ------------------------------------------------------------- | Mircrosoft Windows ( Version 10.0.xxxx) | | (c) 2019 Mircrosoft Corporation. All right reserved | | | | C:\Users\hello\Desktop\ency -u-ency.exe Hi,I_am_password. | | | |------------------------------------------------------------- Then the -u--u-ency.exe must to be the same as ency.exe.