Disabled iPad

Make sure you have updated iTunes to the latest version (v12.9.x), then connect your iPad and erase/restore by following the directions in this link EXACTLY: If you forgot the passcode for your iPhone, iPad, or iPod touch, or your device is disabled - Apple Support

Latest iTunes version does not say much, we need the version number?

You'll need iTunes version 12.9.x.

If you do have iTunes version 12.9.x on your Windows,

read here: If iTunes doesn't recognize your iPhone, iPad, or iPod - Apple Support

You have to plug it using DFU mode

https://support.apple.com/en-us/HT204306 <--- see more here

https://support.apple.com/en-us/HT204095 <--- if iTunes doesn't recognize you iPhone

Regards.

1. Which computer (Mac/PC) do you have?
2. Which OS version?
3. Which computer iTunes version?