How to Clean Windows Registry Safely

Many users when they want to clean their PC listen to talk or seek about cleaning the Windows registry,  although few of them know what it is and why it is so useful to clean it to speed Windows. 

What is the Windows registry?

The registry of Microsoft Windows is the database used by the operating system to record and query information about the programs that are installed on it, in order to then perform actions from the applications as the user needs.

For almost anything you are going to do you will need to interact with the Windows registry, such as running an application, uninstalling a program, connecting to the Internet, printing a sheet, etc.

As we see is a critical component of the Windows operating system, however, when the registry is too full of information, it usually slows down the router, making it slower and slower as time goes by.

It is here that when cleaning the Windows registry becomes so necessary, you will be able to have useless information erased in a few seconds, and each program will find the information it needs faster. So you can improve the performance of Windows substantially.

How to clean Windows registry 10, 8 and 7?

The most recommended way to clean the Windows registry 10, 8 and 7 is by using an application that specializes in it. But why an app if I have a friend who cleans it manually? Because your friend knows what he does, and you do not.

Cleaning the Windows registry is a very delicate task since if you do not know what you are playing you can leave some parts of your operating system unusable.

That is why the best recommendation is to use a program specialized in cleaning the registry of Windows, he will know what to clean and what not, based on several parameters of the programs that you have recently installed and uninstalled.

Registry Clenaer not only allows you to clean your Windows registry, but also frequently incorporates other utilities to improve system performance and clean your PC such as free disk space, program uninstaller, or an optimizer of RAM and CPU usage, among others.

Another function that have the so-called registry cleaners is to de-segregate the Windows registry, that is, re-order the database so that when you request a data it returns it in the most efficient and fast way.

CCleaner: the best way to clean the Windows registry

There are many programs to clean registry such as: Wise Registry Cleaner, PC Mechanic, JetClean, Registry Repair, etc., however, none is as effective, fast and secure as CCleaner .

I started to use CCleaner more than 15 years ago, and apparently this program is like good wines, over time they become better. It remains the number 1 leader in terms of tools to clean the Windows registry and thus speed up Windows permanently.

Best of all is that CCleaner not only clean the registry of Windows 10, but also serves to clean registry of Windows 8 and 7 as well as XP, that is, there is a ccleaner for each version of Windows that you have installed .

Download CCleaner and start cleaning the registry, it takes 1 minute to install it and then its friendly interface will guide you step by step to clean the registry automatically with a couple of clicks.

Clean the Windows Registry manually

If you are one of those rather stubborn users who do not listen to our recommendations that you use a program like ccleaner, or an alternative to CCleaner , then you can try to clean the Windows registry manually

How to clean windows registry without programs?

While many registry cleaners are based on predefined rules to clean everything overall, if you are a Windows user with advanced skills you can perform a manual cleaning even deeper, editing and deleting registry entries and values for you same.

Cleans the registry manually step by step

  1. Click Start.
  2. Search for “Search” or “Run”
  3. Enter “regedit” and press enter.
  4. Executes the Window Registry Editor.

Before cleaning the registry manually we recommend to make a backup just in case, you can back up the registry from the option “Export” in Regedit, so if you make a mistake you can easily recover everything.

The Windows Registry Editor is a new world if you have never used it before, in it you will see the screen divided into two parts, the left with the whole record, and the right where you can see the values of each one.

You can click on the different registers and delete the lists of all the applications that you no longer use, something very useful is to navigate the key called HKEY_CURRENT_USER that looks just like a directory, then you can also click on the Software + and there you will see names of applications registers or the company that developed such software.

Delete records manually

Once you have located the records to delete by pressing the Del or Del key you can delete them permanently.

Search application logs

If you can not find a record of a particular application you can search for records by pressing CTRL + F.


Editing the Windows registry manually takes a lot of unnecessary risks, and it takes a lot of time to scan, instead, using specialized programs to clean the registry is as simple and fast for 99% of users, based on our experience, one of the best ways to clean your Windows registry is to use ccleaner or similar applications


The author is an expert on occupational training and a prolific writer who writes extensively on Business, technology, and education. He can be contacted for professional advice in matters related with occupation and training on his blog Communal Business and Your Business Magazine.