Here is direct link for Dell Command Update.
Remember, this is the driver and BIOS updater for the Dell Latitude E series, Optiplex desktops, and Precision workstation desktops only. If you have a “consumer grade” Dell, please see the link to your “updater” in the previous post.
Please click on Download File on this page.
After downloading, install Dell Command Update. Run it once, and then at the end of each month.