My galaxy 4 can not be recognized by win 10 pc

can not get my phone to be seen using the usb in win 10 on dell m4700 laptop

Have you installed Samsung Drivers? Does it show up in Device Manager?

Welcome to Android Central! Is this an S4 or Note 4? Which Android version is installed?

When you connect via USB, swipe down the notification panel and look for the USB notification. Tap it, then make sure MTP is selected.