Can you lay LVT on concrete?

Yes, you can lay LVT on concrete. In fact, laying LVT over concrete is very common, making I a great choice for basements. There are certain things you have to deal with when laying LVT over concrete (i.e., molding the LVT to go around a drain or putting down substrate to level out the flooring), but as a whole it is one of the easier flooring types to lay LVT over.