Instructions for encrypting a file / directory with a 7-zipseven-zip program.
1. Right-click on the file or directory and select 7-zipseven-zip -> Addadd to archive.
2. Then in the "Add to archive" window in the "Enter password:" field,: enter the password to which you want to encrypt the file or directory. In the "Re-enter password:" field,: re-enter the password to verify the correctness of the entered password.