SecureFX's main window displays the application menu and toolbar, and the folder manager showing your local folders and files. 

The Tools menu gives you access to several additional features of the application, including Quick Synchronize, Public Key Creator, Public-Key Assistant, etc. 

The Quick Synchronize window lets you perform a synchronization process between a local folder and a remote one. 

The General Options tab allows you to customize the application's behavior according to your needs and preferences. 

In the File Transfer Options tab you can modify various transfer options, including the number of connection attempts, the delay between attempts and others. 

The Advanced File Transfer Options tab allows you to enable some features like 'Move deleted local files to the Recycle Bin', ' Keep connections alive' or 'Never use cached file for remote editing'. 

The FTP Options tab lets you set the size of the send buffer and the receive buffer. You can also enable/disable some data connection settings. 

In the File Types Options tab you can view the registered file types, add a new type, modify or delete an existing one. 

The SSH2 Options tab enables you to choose a public key and modify some advanced options related to the SSH2 connection.