Select the App & browser control tab and enable Reputation-based protection.

If you are comfortable with more complex software, you may also want to check out third-party firewall tools like Simplewall. Click Firewall & network protection and make sure the firewall is enabled for all three network options.Consistent backups are a far better safeguard against ransomware. In addition, this feature protects only those folders, not your whole computer, from ransomware. If you’re not comfortable working with folder hierarchies or messing around with access permissions, know that this feature will prevent you from using just about all software you download unless you go back and approve it (for details, see Bleeping Computer’s walk-through of the process). Here, you can optionally enable a feature called controlled folder access, which prevents programs from manipulating certain folders, including your Documents, Desktop, and Pictures folders.

On that same “Virus & threat protection” page, scroll down and click Ransomware protection.

Make sure that every feature on the page is enabled.

While you’re here, look under “Virus & threat protection settings” and click Manage settings. On the “Virus & threat protection” page, you can start a manual scan if you want to check your computer right now.

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