Once downloaded, install the application by choosing “New Installation or add features to an existing installation” then following the prompts.
Connect to your SQL Server instance using Windows Authentication
Select your SQL Server from the drop down list, or if it does not appear type it into the Server Name drop down list. (if you are unsure of your sql server name, it can be found by running the RMS Connection Wizard)
Choose Windows Authentication from the Authentication drop down list.
Reset the sa user password.
Expand the Security > Logins tree in the Left hand window
Right Click the sa user and select properties
Retype a new password for the sa account. Please note, if the new password is not the same as your previous password, you will need to run the RMS Connection Wizard on each workstation to enter the new password.