To upload files, click the Upload button, press Ctrl+U or select Upload from the Operation menu. This opens a dialog box where you can select files to upload to the currently active directory on the remote host.
Select the files you wish to upload with your mouse. You can select multiple files by holding down the ctrl key while selecting. The files are uploaded to the currently active directory on the remote host.
You can also drag files from a Windows Explorer window to a folder on the remote host. You can start Windows Explorer either from the Window menu or by any of the standard Windows means.