Window guide rail facilitating installation of window

The utility model discloses a window guide rail convenient to install a window, which relates to the field of guide rails and comprises a window frame, and one end of the inner wall of the window frame is connected with a first guide rail. A second guide rail is installed on the inner side of the first guide rail, a fixing block is arranged on the inner wall of the second guide rail, the outer wall of the fixing block is sleeved with an elastic piece, the two ends of the elastic piece are connected with buckles, an arc-shaped sliding groove is formed in the inner wall of the first guide rail, and one end of the inner wall of the second guide rail is connected with a first magnet. A second magnet is installed on the inner wall of one end of the first guide rail. By arranging the large sliding block and the water outlet, when rainwater is accumulated in the window frame in rainy days, the window is taken down, the large sliding block close to the inner wall of the window frame slides and moves close to the inne