The easiest way to get rid of high ping is to restart your router. If that doesn't help, check the internet connection itself. If there are any problems with it, call the provider's support service.
If you already tried refreshing your internet modem, you can look for a free (or even a paid one if you can pay) VPN on google, there are many trusted services, it helps you with proxy, especially if you not playing in a server of your region.
try to disable windows update or change your internet modem
try to disable your windows update from the services and see and check if any one is connecting on your modem
Have. You can turn off the update (if you want to hack), sometimes the windon update makes the hard drive capacity decrease, and there are some files running in the background unnecessary. I usually turn off update windown, and turn on sercurity