To import into your scene go to File>Append, navigate to .blend files folder, open the file, open "Group" folder, then double-click on the name of the group and append.

The name of the model and the name of the group is the same.

        rocking chair_col var_BLUE STRIPES
        rocking chair_col var_RED TRIANGLES
        rocking chair_col var_BLUE TRIANGLES
        rocking chair_col var_BLUE RED CHECK
       lamp

Or you can select it and copy it using CTRL+C and in your scene pressing CTRL+V.

Please note that this scene contains textures from Poliigon.com and Pixabay.com - Textures may not be redistributed

HDRI maps are from HDRI Heaven