In the Lock screen, click the I forgot my password link. (If you have multiple accounts, make sure to select the correct account first.) Type the captcha letters to prove that you're not a robot.

Open EaseUS MobiUnlock on your computer, select “Unlock Screen Passcode.” Step 2. Connect the iPhone, iPad, or iPod to the computer, and then click “Start” to proceed.

The next time your computer goes to sleep and you wake it up, it will no longer go the lock screen. In the future if you wish to enable a password on waking the PC, click on the Change button ...