Download SkyCrypt for Windows for a 30 day free trial.
Just $39.99 for a single user license and 1 year of updates. No monthly fees !
If you decide not to purchase a license after 30 days, SkyCrypt will revert to read only” mode, your encrypted files will be safe however you will not be able to encrypt additional files.
Note : Mac, IOS and Android versions are currently being developed.