The latest version of SQLBackupAndFTP requires Microsoft .NET Framework 4.6.0 or above.
.NET Framework 4.6.0 Supported Operating System:
If you cannot install .NET Framework 4.6.0 - you use the older SQLBackupAndFTP version for .NET Framework 4.0.0.
Note that this version will not receive the latest updates, so full functionality is not guaranteed.
Download SQLBackupAndFTP v11.3.12 for .NET Framework 4.0.0 (older version)