Goto your custom widget folder there you can follow the below path and can find the widget and copy that
Now go to your actual project folder and in that, you can find the widget folder, paste your copied widget and run the app after running it you can add your custom widget on any page
after download your file “*.mpk” put it in your local directory :
You can find it here
When your explorer is open, put it your new file “*.mpk”
When it’s done, You need to update your toolbox.
And your new widget is in your “toolbox”