This add-on includes all previously released expansions for Construction Simulator 2015. In order to use the add-on, you require the full version of Construction Simulator 2015!
This add-on includes numerous new vehicles, including:
Original licensed Liebherr 150 EC-B flat top crane with concrete bucket, new flatbed trailer
Original licensed Liebherr LB28 drilling rig, new heavy transport trailer
Original licensed Liebherr LR1300 crawler crane, special transport trailer
This add-on includes numerous new missions, including
Office buildings
High-rise apartments
Industrial buildings
Wind turbine
Bridge 
Features:
Contains four DLC packs
Expands your Construction Simulator 2015 with many new vehicles and missions
Requires the full version of Construction Simulator 2015

You require the main game Construction Simulator 2015 to use this expansion.
 
Minimum:
Operating System: Windows Vista/7/8/10 
Processor: 2.4 GHz dual-core processor
RAM: 4 GB 
Graphics Card: DirectX 9 compatible graphics card with 1 GB VRAM (Geforce 460 or better | ATI Radeon HD 57xx or better)
DirectX: Version 9.0 
Network Connection: Broadband internet connection
Hard Drive Space: 3.5 GB
The game must be activated once via Steam. An internet connection is required.
 
Recommended:
Operating System: Windows Vista/7/8/10 
Processor: Dual or quad core processor with 3 GHz or better 
RAM: 4 GB 
Graphics Card: DirectX 9 compatible graphics card with 2 GB+ RAM (Geforce GTX 660 or better | ATI Radeon HD 68xx, 77xx or better) 
DirectX: Version 9.0 
Network Connection: Broadband internet connection
Hard Drive Space: 3.5 GB
The game must be activated once via Steam. An internet connection is required