I cannot import any Raw files image that I took from my 5D Mark IV
My Lightroom is the lastest version 2015.10
You need to update Lightroom. The latest CC version is 2015.10
Launch Creative Cloud, go the apps tab and check for updates.
If no updates are showing as available you can get the patch from the direct download link below.
Download Photoshop Lightroom
Its as 99jon says you need to update. Your screen capture shows that you are at the initial release of Version CC 2015
If you check in the Lightroom main menu and check "About Adobe Photoshop Lightroom CC" you should see a popup like the screen capture.
Retrieving data ...