Go to Server Manager
The go to tools and open
Active directory administrative Center
Go to Deleted Objects OU Open the deleted Objects OU
Then choose the object you want to restore and the location
Note: you must enable the Recycle bin Option before you deleted the object
For enabling the Recycle Bin
https://profadmins.com/2013/02/28/enable-the-recycle-bin-on-server-2012/
