How to limit the use of the processor in Windows with certain programs or applications? | TechBuzz

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By the term processor usage in Windows we mean the current percentage of processor resources consumed by programs. Some programs are not so demanding and will not burden the processor, but with some, processor resources are consumed intensively and, as a result, can create problems for the user in the form of slower operation of the entire system.

You can get basic information about processor operation using Task Managera (Task Manager) where the percentage of resources consumed by the processor and which programs within Windows are currently active are shown. If you have noticed that some of the programs intensively consume processor resources, you can limit their usage individually.

Should the processor run at 100 percent all the time?

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The processor is an extremely important part of your computer and works in cooperation with other components (such as working memory) so that commands are executed smoothly. If the processor is running at 100 percent all the time, your system will start to experience performance issues over time.

Except in the case when you have an old processor and you work with demanding programs on such a computer, the consumption of processor resources should not exceed the limit of 80 percent. Even if it reaches 100 percent at times, this should only be for very short periods when using certain more demanding programs. Otherwise, your operating system will slowly slow down and work with programs and applications will not be as fluid as usual.

How to limit consumption of processor resources on Windows?

When you find that a particular program or application is consuming too many processor resources, there are certain methods you can use to limit the usage of each of them individually. Read below what those methods are.

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Intelov procesor Core i9-12900K

Change processor priority

As an operating system, Windows has a priority list of processes on the basis of which resources are allocated according to individual requirements in accordance with the operation of active programs and applications. This feature is the default and there is not much the user can change about it.

What can be done, however, is to replace the priority of a certain process within the Task Manager. It is important to say that this type of replacement should only be done with non-systemic processes. The priority list of system processes should not be changed and must remain in its original form.

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To carry out priority changes for active processes, the following actions must be taken:

  1. Open Task Manager (keyboard shortcut CTRL+Shift+Esc) and identify processes, i.e. programs or applications whose status you want to change in the priority list
  2. Make your review easier by clicking on the “CPU” column to sort active processes according to processor resource consumption
  3. Right-click on an individual process and select the “Go to details” option from the context menu
  4. Within the “Details” tab, right-click on the desired process again and select “Set priority” from the context menu
  5. Below, click on the options “Below normal” or “Low”. The “Below Normal” option will allow less consumption of system resources when it becomes active. The “Low” option will result in the lowest possible level of system resource usage.
  6. After that, a pop-up window will appear in the form of a warning about the consequences of implementing priority changes among processes.
  7. Click on the “Change priority” button to apply the changes and now the processes ie. programs or applications that you have selected consume significantly less system resources, which includes less consumption of processor resources.

Once again, it is important to say that you do not use this method for system processes, but for non-system processes, programs and applications, which you are sure should have limited use of system resources.

AMD-Ryzen-7-CPU

Modification of the “CPU Affinity” feature

Another method to limit the use of processor resources is to adjust the “CPU Affinity” features. This is simply a matter of restricting processes from using multiple processor cores during activity within your system. By changing the “CPU Affinity” feature, you will free up processor cores that will become available for other active processes.

To change the “CPU Affinity” feature, you need to do the following steps:

  1. Open the Task Manager and select the processes whose priority you want to change
  2. Right-click on an individual process, i.e. program or application, and select the “Go to details” option from the context menu
  3. Below, right-click on the same process again and select the “Set affinity” option from the context menu
  4. You will notice in the new window that the selected process has used all the cores of your processor. Now simply disable as many of them as you want.
  5. After you have made your selection, click on “Ok” and the same process will use less number of cores of your processor for its work.

Using other tools

If you want a simpler solution for managing processor resources, of all the tools available, we recommend it Process Lasso application. It comes in a free and pro version, and you can see what each option includes at the following link.

Although Task Manager can handle more intensive CPU usage, your preferences that are set are reset after the process i.e. program or application is restarted. This is exactly where Process Lasso comes into play.

Within this tool, you can permanently set attributes that limit the use of processor resources. Even when the current processes on your computer are restarted, your settings with the Process Lasso application will remain unchanged.

To limit CPU usage through the Process Lasso application, follow these steps:

  1. Open your web browser and go to the official page of the Process Lasso application
  2. Download the desired version and install it on your computer
  3. Start the Process Lasso application with the necessary permissions
  4. Right-click on the processes where you want to make changes and set the “priority” and “affinity” attributes according to preferences
  5. Make changes by selecting the “Always” option from the context menu. By selecting “Current”, the modification options last until the process is restarted.

In the Process Lasso application, there are some other settings that can be used to influence the use of resources on the computer, but here we have presented only a simple change of settings that anyone can do and that will significantly affect the operation of the processor.

processor overclocking

Change “Maximum processor state” – maximum processor speed

Reducing the maximum power consumption of your processor can reduce its overall resource consumption. Fortunately, the settings in Windows allow you to limit the maximum speed of the processor. By making the mentioned change, the load on your processor will be reduced and it will be prevented from overheating.

To limit the maximum CPU consumption, do the following steps:

  1. Open the Control Panel
  2. Click on the Power Options icon
  3. Below, click on the “Change plan settings” option marked in blue
  4. In the new window, click on “Change advanced power settings”
  5. Inside the new window find the “Processor Power Management” option, expand it and click on “Maximum processor state”
  6. Make a change to a value of 80 percent for both available options (when the computer is plugged in and when it is running on battery)
  7. Click on the “Apply” button, then click on “Ok” and exit the menu.

After completing these steps, your processor will be running at 80 percent power.

You can certainly try one of the above methods if you feel that certain processes, applications or programs are using too many processor resources. This is especially recommended if it is obvious that some non-system processes are really making it difficult for you to work on your computer and have significantly slowed down the general work within the operating system. Make changes, test the settings that might suit you, and you will surely reach the desired way of working in Windows that does not load the processor.

Written by: Ervin Mičetić



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I am admin of techbuzz.asia blog & I provide tech-related news. As a part of my hobby, I make content related to technology and gadgets reviews too. I love to be a content creator apart from it, I am a full-time employee in an MNC company and manage blogs systematically. You can mail me at [email protected]

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