Subash Baskaran, You can click the link below to download Windows 10 drivers for your computer. The second link provides Drivers Information. Dell Inspiron 3521 Drivers, Downloads and Manual Drivers Help, Tutorials and Install Order Your computer may or may not have some of the drivers listed. 
Hai guys I'm using dell 15 inspiron 3521 with windows 10. I reset my PC this morning due to software issue. After resetting all programs and drivers are unistalled(ie: I can't find a single program in control panel> uninstall program and features). I want reinstall all drivers and program. I want to know the correct order to install all driver. Please suggest me an installation order.  Thanks in advance...
What is the driver installation order