How to Enable All Cores Windows 11: A Step-by-Step Guide to Boost Performance

Enabling all cores in Windows 11 can help improve the performance of your computer by fully utilizing its processing power. Follow these steps to ensure that all CPU cores are active and ready to boost your system’s efficiency.

How to Enable All Cores in Windows 11

This guide will walk you through the process of enabling all processor cores in your Windows 11 machine. By following these simple steps, you will ensure that your computer is running at its maximum potential.

Step 1: Open the System Configuration

First, press Win + R on your keyboard to open the Run dialog box. Type msconfig and press Enter.

The System Configuration window is a powerful tool that allows you to manage several key aspects of your PC’s performance. By accessing this, you can make necessary adjustments to enable all cores.

Step 2: Access the Boot Tab

Click on the Boot tab at the top of the System Configuration window.

The Boot tab provides options related to the startup of your computer. Here, you can make changes that will affect how your system boots up, including the activation of all CPU cores.

Step 3: Click on Advanced Options

In the Boot tab, click on the Advanced options button.

Advanced options allow you to tweak more specific settings that are not available in the basic view. This is where you can find the setting to enable all cores.

Step 4: Enable All Cores

In the BOOT Advanced Options window, check the box next to Number of processors and select the highest number available from the dropdown menu. Click OK to confirm.

Selecting the highest number ensures that all available cores are activated. This step is crucial for maximizing your computer’s processing power.

Step 5: Apply and Restart

Finally, click Apply and then OK in the System Configuration window. You will be prompted to restart your computer for the changes to take effect.

Restarting your computer implements the changes you have made, enabling all cores to function and boost your system’s performance.

After you complete these steps, your computer will be using all of its processor cores. This can lead to a noticeable improvement in performance, especially when running demanding applications or multitasking.

Tips for Enabling All Cores in Windows 11

  • Check Compatibility: Ensure your CPU supports multi-core processing before enabling all cores.
  • Update Drivers: Keep your drivers updated to get the best performance from all cores.
  • Monitor Performance: Use a system monitor tool to check if all cores are active after making the changes.
  • Backup Data: It’s always a good idea to back up important data before making system changes.
  • Troubleshoot Issues: If you experience problems, you can revert the changes by following the same steps and unchecking the Number of processors box.

Frequently Asked Questions

What are processor cores?

Processor cores are the individual processing units within a CPU. More cores allow for better multitasking and performance.

Will enabling all cores always improve performance?

In most cases, yes, but it depends on the software you are running. Some programs are optimized for multi-core usage, while others may not see as much benefit.

Can this process harm my computer?

No, enabling all processor cores using the System Configuration tool is a safe and reversible process.

Do I need to enable all cores for gaming?

Enabling all cores can improve gaming performance, especially for modern games that utilize multiple cores.

How can I verify that all cores are enabled?

You can check this in the Task Manager under the Performance tab. It should display the number of active cores.

Summary of Steps

  1. Open System Configuration
  2. Access the Boot Tab
  3. Click on Advanced Options
  4. Enable All Cores
  5. Apply and Restart


Enabling all cores in Windows 11 is a straightforward process that can significantly enhance your computer’s performance. By following the steps outlined, you ensure that your system utilizes its full potential, making it faster and more efficient. Whether you use your PC for heavy multitasking, gaming, or running demanding applications, activating all CPU cores can provide a noticeable boost.

Remember, though, that while enabling all cores can improve performance, it’s just one piece of the puzzle. Keeping your system updated, monitoring performance, and ensuring your hardware is in good condition will collectively ensure your computer runs smoothly. If you’d like more tips and tricks on optimizing your Windows 11 experience, be sure to check out our other articles.