A system for assembling prefabricated walls, said system comprising: at least one prefabricated wall having an anchor pathway extending therethrough along a height thereof and between a bottom opening and a top opening; a first anchoring element; a second anchoring element configured to be coupled to the first anchoring element, and to be slidingly received and extend along within the anchor pathway; and a coupler configured to couple the second anchoring element to the first anchoring element, said bottom opening being configured for slidably receiving the first anchoring element, the coupler and at least a first end of the second anchoring element coupled to the first anchoring element.