Ontario Base Maps are a popular paper collection of maps that provide large scale coverage of the province (1:10,000 - 1:20,000). The Ontario Basic Mapping Data represents the various geospatial layers that make up these topographic maps. Although the referenced web app and data is somewhat dated (1980s), it will prove useful for historical context or basic mapping at a large scale.
From the results displayed at the bottom of the window, click the tiny blue link to the left of the result. The map will zoom to the extent of the upper tier municipality. See screenshot below.
Zoom in even more by clicking the plus magnifying glass and drawing a box on the map. As you zoom in, various layers will become visible. See the layer listing to the right of the map view.
Once you have the zoom and layers set, click the FME icon to trigger the download wizard. See the circled FME button below.
Make other selections as appropriate including download format, coordinates, layers, etc.
NOTE: You may need to right-click the link and select Save File As to download the file. NOTE 2: You may also be prompted with a warning about security. Select keep from the options to download the file.
Define a directory for the unzipped files and click Extract.
The layers are now ready to be added to your GIS project. Be sure to run the software (ArcGIS Pro, QGIS) before adding the shapefiles.