How to restore database to a refresh machine?
For professional edition of SQL Server Backup software , it is easy to restore backup to a refresh system .( New OS or MS SQL Server installed.)
1 . Install Backup Agent onto the new system , it work as secondary Backup Agent.
2 . Existing Backup Agent work as primary Backup Agent , and please add the secondary one to primary Backup Manager program . How to add a Backup Agent
3 . Configure a restoration job in primary Backup Manager with following settings :

4 . Do other setting required and run this job .
For standard edition , you have do more works to restore a database to refresh system.
1 .Install SQL Server Backup software to new system.
2 .If the backups is managed by an existing Storage Server , please add this Storage Server to new installed Backup Manager . Hot to add new Storage Server
Import the existing backup to new installed SQL Backup Program. How to import backup
3 .Configure a restoration job to restore the database , please select the "Force replace ..." and "Move database ..." options if required.
4 .Run the job.