How to Enable or Disable DEP in Windows 11

How to Turn DEP On or Off in 🪟 Windows 11

Data Execution Prevention (DEP) settings in Windows 11 can be changed through the Windows Security app by going to the App & browser control settings and opening the exploit protection settings. You need to use an administrator account to change these options. Keeping DEP Windows 11 turned on helps protect your computer memory from harmful code and malware attacks.

1. Open the Windows Security App
   
   Click on the Start menu ⊞ button (the Windows icon on the bottom-left of your screen). In the search box, type Windows Security and click on the Windows Security app that appears.

2. 

3. Go to App & Browser Control
   
   In the Windows Security app, look at the left side menu and click on App & browser control.

4. 

5. Open Exploit Protection Settings
   
   Scroll down until you see Exploit protection. Click on the link that says Exploit protection settings.

6. 

7. Find Data Execution Prevention (DEP)
   
   In the new window, click on the System settings tab at the top. Here, you will see the option for Data Execution Prevention.
8. Choose Your DEP Setting
   
   Click the dropdown menu next to Data Execution Prevention and pick one of these options:

   • On by default – DEP is turned on (recommended)
   • Off by default – DEP is turned off
   • Use default (On) – Uses the system’s default setting, which is usually on

9. 

   
   

After you choose your preferred setting, just close the Windows Security app.

Why Does DEP Matter?

Data Execution Prevention (DEP) matters because it monitors your computer memory to block harmful programs from running in areas reserved for safe system files. This core security feature stops malware from taking control of your PC and prevents sudden crashes caused by malicious code. Leaving DEP enabled gives your computer an essential layer of defense against modern online threats.

Usually, you want DEP turned on to protect your PC.

For more details about DEP, you can visit the official Microsoft support page: What is Data Execution Prevention (DEP)?

Summary

Data Execution Prevention (DEP) in Windows 11 is a built-in security feature that protects your system memory from malicious code and unauthorized access. It runs automatically in the background to keep your PC safe from common security threats and software crashes. You can check your current protection status or change settings at any time through the Windows Security app.

It’s usually on by default and helps keep your PC safe.

You can easily check or change DEP settings using the Windows Security app.