If you wish to turn on the windows defender with Endpoint Security console then follow the below steps:
Step 1: Go to EPS console & go to shield tab.

Step 2: First select the machine & then click on install software/plugin option.

Step 3: After click on install software/plugin option opening new tab >
Select path , run as system & save it.
Settings will be applied successfully.

Step 4: Download the file below and extract in same folder
Step 5 : copy path of above downloaded file & paste it in file path section of step 4 & do as step 4.
Note: Windows defender will be only get activated on Windows 10 and above versions.
note:- file path which are given in setting need access permission also it should present on server machine.