Moving SQL Server to another computer
Note that the following assumes that you are a SQL Server administrator on both of the instances...

Generally, you can follow these steps:


On the source computer, note the location of your database's files
On the source computer, detach the database from the source computer's SQL Server instance
Move the database files to the proper directories on the target computer
On the target computer's SQL Server instance, attach the database
Repeat for each of the databases you wish to migrate