Open PowerShell as Administrator by pressing the Start button, typing powershell, and pressing Run As Administrator:
Read the Microsoft post about how to disable SMB.
In PowerShell, get the setting and disable it with:
Get-SmbServerConfiguration | Select EnableSMB2Protocol
Set-SmbServerConfiguration -EnableSMB2Protocol $false
Disable SMB v1 in PowerShell with:
Disable-WindowsOptionalFeature -Online -FeatureName smb1protocol
If you see an error of "Access is denied", ensure you run PowerShell as Administrator.
To disable NetBIOS, in Control Panel go to Advanced TCP/IP Settings and press the radio button: