Activate Multiple Layers Using Keyboard Shortcuts
Try this Photoshop keyboard shortcut to activate multiple layers in your Layers Panel.
Press Shift Alt [ (Windows) Shift Option [ (macOS) to activate the layer below the currently selected layer (or the ] key to activate the layer above).
You can keep adding to the selection one layer at a time by tapping on either of the bracket keys while still holding Shift and Alt/Option.