A spring-loaded adjustable window rack for hanging window treatments. A window rack is formed from a plurality of slide members, a plurality of multi-directional connectors, and at least one spring-loaded coupler, wherein the plurality of slide members is attached to each other by the plurality of multi-directional connectors. Each of the at least one spring-loaded couplers is attached in between a specific connector from the plurality of multi-directional connectors and a corresponding slide member from the plurality of slide members. By compressing the at least one spring the window rack can be slid into a window frame, wherein the spring force holds the window rack in place. A window treatment support can be attached to the window rack for creating three dimensional window treatment arrangements.