Steps to disable Proxy Settings in Windows:-
Step 1: Go to Start Menu or Cortana.
Step 2: Search for Settings and open it.
Step 3: Select Network & Internet.
Step 4: Select Proxy from the the left hand side panel as shown below
Step 5: Under Automatic proxy setup, switch on Automatically detect settings option.
Step 6: Under Manual proxy setup, disable Use a proxy server option
Step 7: Save and close the settings window and restart your PC.