---Determine the logical file names of the tempdb database and their current location on the disk.
SELECT name, physical_name AS CurrentLocation
FROM sys.master_files
WHERE database_id = DB_ID(N'tempdb');
GO
----Change the location of each file by using ALTER DATABASE.
USE master;
GO
ALTER DATABASE tempdb
MODIFY FILE (NAME = tempdev, FILENAME = 'F:\TEMPDB\tempdb.mdf');
GO
ALTER DATABASE tempdb
MODIFY FILE (NAME = templog, FILENAME = 'F:\TEMPLOG\templog.ldf');
GO
--Stop and restart the instance of SQL Server.
--Verify the file change.
SELECT name, physical_name AS CurrentLocation, state_desc
FROM sys.master_files
WHERE database_id = DB_ID(N'tempdb');
--Delete the tempdb.mdf and templog.ldf files from the original location.