Protect your PC by adjusting these key Windows options

Enable automatic Windows updates

Keeping your PC updated is one of the most effective ways to protect it. Windows updates include security patches that fix vulnerabilities cybercriminals often exploit. If updates are turned off, your system could remain exposed to known risks.

Enable automatic updates in the Settings app under Windows Update to stay safe. This ensures your device downloads and installs essential fixes in the background, often without interrupting your work. Regular updates strengthen system security and improve overall stability.

Turn on Windows security

Windows comes with a built-in antivirus and firewall called Microsoft Defender. Many users don’t realize it’s already protecting their PC unless it’s disabled. Turning on Windows Security in Settings activates real-time protection against malware, viruses, and ransomware.

It also includes cloud-delivered protection and automatic sample submission to catch new threats quickly. Enabling this feature reduces the need for third-party antivirus programs, though those can be used alongside if desired. It’s a reliable first defense.

Configure controlled folder access

Controlled folder access is a feature within Windows Security that protects files from ransomware attacks. Once enabled, only trusted applications can change files in protected folders such as Documents, Pictures, and Desktop.

If malicious software tries to encrypt or delete files, Windows blocks the action. You can add or remove trusted apps through the security settings. This option is especially useful if you store personal or work-related documents on your PC. It ensures added file safety.

Use a standard user account

Running your PC under an administrator account for daily use increases the risk of malware sneaking in. Switching to a standard user account limits what software can do without your permission. This setup helps block unauthorized changes to system files and settings.

You can still enter an administrator password when necessary, but most everyday tasks like browsing, emailing, and streaming won’t require elevated privileges. This simple step significantly reduces the damage malicious programs could cause if they slip past defenses.

Adjust app and browser control

Windows Security includes App & Browser Control, which protects users from potentially harmful downloads and websites. By enabling features like SmartScreen, you allow Windows to block suspicious apps, warn about dangerous downloads, and filter untrustworthy websites.

This helps prevent phishing attempts and malware infections while browsing or installing software. Customising these settings provides better control over how strict you want Windows to be when checking apps and online content, making it a practical defense measure.

Enable device encryption

Device encryption protects your data if your PC is stolen or lost. When turned on, files on your drive are scrambled and can only be accessed with the correct login credentials. Even if someone removes your hard drive, the data remains unreadable.

Some Windows editions offer BitLocker, while others include basic device encryption. On Windows 10, open Settings → Update & Security → Device Encryption (or BitLocker settings in Pro editions).

In Windows 11 (especially 24H2 and later), go to Settings → Privacy & Security → Device Encryption; note that on supported hardware, encryption may already be enabled by default.

Encryption ensures sensitive information like financial records or work documents cannot be easily compromised.

Set up a strong PIN or password

Your Windows login credentials act as the first barrier to intruders. Using a weak password makes it easier for attackers to guess or crack. Instead, create a strong password with a mix of letters, numbers, and symbols, or use Windows Hello to create a PIN.

PINs are tied to your specific device, making them more secure. For added safety, biometric options such as fingerprint or face recognition can also be enabled, reducing the risk of unauthorized access.

Turn on ransomware protection

Windows Security includes a dedicated ransomware protection feature alongside controlled folder access. This tool helps block ransomware from encrypting your files and offers recovery options through OneDrive if files are compromised.

Activating ransomware protection enables Controlled Folder Access and can integrate with OneDrive to help recover files if they’re compromised, but you must link your OneDrive account and enable folder backup to use the recovery feature.

You’ll find it under Virus & Threat Protection → Manage Ransomware Protection.

Adjust privacy settings

Windows collects data to improve its services, but some users prefer limiting what’s shared. Reviewing privacy settings lets you control which apps can access your microphone, camera, location, and contacts.

You can also reduce diagnostic data collection in the Privacy section of Settings. Adjusting these options helps prevent apps from gathering unnecessary information about you. For users who handle sensitive work or personal data, fine-tuning privacy settings protects information and enhances control over device security.

Use Windows firewall

A firewall acts as a gatekeeper between your PC and the internet, blocking unauthorized traffic while allowing safe connections. Windows includes a built-in firewall enabled by default, but it’s worth confirming it’s active.

You can manage inbound and outbound rules, decide which apps can access the network, and receive alerts about suspicious activity. Keeping the firewall on prevents hackers from exploiting open network ports. It works quietly in the background to strengthen system defenses.

Manage startup apps

Too many startup apps not only slow your PC but can also create unnecessary security risks. Some programs launch at startup without your knowledge, running in the background and potentially exposing your system to vulnerabilities.

To fix this, open Task Manager and review the Startup tab. Disable apps you don’t need to run automatically. This improves performance and reduces the chance of malicious software operating silently on your system. Keeping startup items limited enhances both speed and security.

Enable account lockout policy

An account lockout policy prevents attackers from repeatedly guessing your password to gain access. In Windows, you can set lockout thresholds so that after a certain number of failed attempts, the account is temporarily disabled.

This feature is especially valuable on shared or work PCs where security is critical. Adjusting these settings adds another layer of protection against brute force attacks. You can configure lockout policies through Local Security Policy on professional editions of Windows or via Group Policy.

Configure Windows Defender offline scan

Some malware hides deep in the system and cannot be removed with regular scans. Windows Defender includes an offline scan option that restarts your PC and checks for threats before Windows fully loads.

This makes it harder for malware to interfere with detection. An offline scan periodically helps catch hidden infections that slow down your PC or compromise security. You can launch it from Windows Security under Virus & Threat Protection. It’s a powerful cleanup tool.

Enable exploit protection

Exploit protection is a Windows feature designed to block methods hackers use to gain control of applications or the operating system. It includes memory protections, code execution restrictions, and system-level safeguards that stop malware from exploiting software flaws.

These settings are customizable per program or system-wide through Windows Security. Although many users leave defaults in place, turning it on and reviewing configurations adds an extra defense against advanced attacks. It works quietly in the background without slowing performance.

Create regular system restore points

System Restore allows you to roll back Windows to an earlier state if something goes wrong, like after a malware attack or a faulty update. Your PC automatically saves snapshots of system settings and files by enabling restore points at specific times.

If issues occur, you can use a restore point to undo harmful changes without losing personal files. You can manage this feature through the Control Panel under System Protection. It acts as a safety net for unexpected problems.

Creating regular system restore points is a smart way to stay protected, especially now, as Microsoft surprises with extended support for Windows 10.

Manage remote desktop settings

Remote Desktop lets you access your PC from another device, but leaving it enabled unnecessarily increases risk. Attackers often scan for open remote desktop ports to gain entry. If you don’t use the feature, it’s best to disable it in System Settings.

If you rely on a remote desktop, secure it with strong passwords, a VPN, and network-level authentication. Adjusting these settings ensures only trusted connections are allowed, protecting your system from unauthorized remote access attempts.

Managing your remote desktop settings can unlock smoother access and more control. Ready to level up your PC game with these secret Windows features?

Which of these Windows features do you think makes the biggest difference? Share your thoughts below.

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This slideshow was made with AI assistance and human editing.