This is a paid asset, but now you can download Navmesh Path Draw for FREE, but please remember this package is provided only for learning purposes or to be able to test before buying the product, NOT FOR COMMERCIAL PURPOSES.
Detail this asset from Unity Store: Original Link
Navmesh Path Draw v1.1.2 (Latest version)
Path draw from location to target destination using Unity’s navmesh
Extremely light and simple script that prints the navmesh path using Unity’s default Navmesh components. Can be used in your game so the player follows to a specific destination whether it’s a mission, point of interest or just a normal waypoint.
The script offers a Path RecalculationTime option so you can manually adapt the pathdraw CPU performance to your game requirements and hardware. It also provides the option to set any material/texture to make your own path effect.
This package supports all rendering pipelines URP, HDRP and built-in but the demo is in URP only.
This package comes with a documentation file, fully-commented source code, path draw material (you can use your own texture and materials if you like) and a demo scene.
This package utilizes Unity’s Navmesh Components.
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Best of luck!