How do I move SQL Server database files

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