1) Go to Configuration -> Management -> Backup - Restore and then click the Backup Button.

 

 

2) You can provide a name for the backup or leave it blank to use the default naming scheme. Click Backup to generate the backup. 



3) Now that the backup is generated simply click Download to save a copy onto your computer. 

 

 

4) A copy of the backup will remain as well on the SBC itself as shown below.