You might want to check from time to time if Power Inspector has new updates, so you don’t miss out on new features, and so that you get all the latest fixes for the latest version of Unity. The process for updating Power Inspector is very similar to installing it, and done using the Package ..
Power Inspector can be installed using the Package Manager window inside Unity. You can do so by following these steps: Open the Package Manager window using the menu item Window > Package Manager. In the dropdown at the top of the list view select My Assets. Find Power Inspector in the list view and select ..