1: Using Control Panel
control panel - programs - turn windows features on or off

2: Using the Command Prompt (admin)
bcdedit /set hypervisorlaunchtype off

The DISM Command
cmd (admin)
dism /online /disable-feature /featurename:Microsoft-hyper-v-all

3: Using PowerShell (admin)
Disable-WindowsOptionalFeature -Online -FeatureName Microsoft-Hyper-V-All

4: Using BIOS
Configuration tab (or such - check)
select the Virtualization Technology - disable