Steps to install drivers:
Step 1: In your phone, go to Settings -> Developer Options and enable USB debugging (or Android debugging).
Step 2: Download and open PdaNet*.exe file in PC and click Next button in Setup window
Step 3: Accept license agreement and click Next
Step 4: Click Next
Step 5: Click Next
If you have any previously installed USB driver then you will be asked to reinstall previous driver or keep the driver. Click Yes to reinstall USB driver.
Step 6: Select your phone manufacturer. If manufacturer is not in the list then select Others and Click OK.
If Windows Security asks permission to install drivers then click Install button
Step 7: Connect phone to PC via USB cable and allow USB debugging permission if asked in phone. Don’t click Skip USB or Cancel Installation. This window will be closed after connecting USB cable.
Step 8: Click Continue button
Step 9: Open PdaNet+ in phone and enable Activate USB Tether. Click Finish button in Setup window and restart PC.