you don’t mind stop the database from working, then you can DETACH it, move the files and then ATTACH it.

  • Right click on the name of the database
  • Select Properties
  • Go to the Files tab
  • Make a note of the Path and FileName of MDF and LDF files. This step is important in case you don’t want to end up searching for missing files…
  • Right click on the database name
  • Select Tasks -> Detach
  • Move the files where you want
  • Right click on the Databases node of your server
  • Select Attach
  • Click on the Add button
  • Point to the new location
  • Click OK