Below link is a simplified link to download the Windows 10 x64 bit compatible driver pack for Latitude E7440. With the help of simple tool like Driver Magician the installed drivers are exported and can be used easily to inject, or install the drivers on your machine. No need to download the bulky Driver Cab file from the online store.
This driver pack was exported on 2017-01-22 and has file size of just - 165 MB
Download Now - http://ge.tt/7gXQdSi2