If you want to save time you may want to copy the "Update" folder (where the DLCs are stored) from Origin BF4 folder to ZLOrigin BF4 folder. These files are always the same.
He is 100% cheating. Look at 0:20~0:22, his crosshair locked on the guy "cjsv-42" running behind the wall, who had never showed up in his screen or minimap. Aimbot for sure.
Name: Urtafacezlo
Type: oneshot kill
Server: Amstel-LAN
Video: https://drive.google.com/open?id=1xZQroPAYBGT5hvSXMpkxzc2bn8dh-Rfb
He used M39 and killed many 100% HP guys with only 1 shot (not head shot).