Mohammed, you are running Windows 10 Home, which does not have Group Policy or BitLocker.
The sole solution for you is to upgrade to Windows 10 Pro if you need those features.
Upgrade to Windows 10 Pro which can pause updates for up to 35 days or block them for a year.
Open Start > Settings > Update & security > Activation
Click the link ‘Go to the store to upgrade or enter a product key’
Click the $99 button to make your purchase (the price might vary by region or depending on the edition you are upgrading from or upgrading to).
Follow the on screen instructions to make your purchase.
Within 5 to 10 minutes, your system will be upgraded to Windows 10 Pro, your personal files, apps and settings preserved.
You won’t get a product key, you get a digital license, which is attached to your Microsoft Account used to make the purchase.