Follow these steps to create a backup plan in SQL Server 2012. Note this is not a “one size fits all solution” so YMMV.
Open SQL Management Studio and sign in with a user with Sys Admin rights.
Navigate down to SQL Server Agent and select “start”
Go to Management – Maintenance Plans – Follow the Wizard. Make sure to check the “verify backup integrity” option.
A good source of SQL Server information can be found here