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How to Delete Everything But OS in Windows 10/11 [Beginners' Guide]

Do you know how to effectively delete everything on your computer except for the operating system? This page will take Windows 10 as an example to show you how to delete everything but OS in Windows 10/11 with success.

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Table of Contents

Updated by Tracy King on Oct 19, 2023
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Whether you have plans to sell your computer or want to upgrade, it is important to delete all essential files. As you do not want anyone else to access your personal data for any reason.

How to delete everything but the OS in Windows

Therefore, you might be searching for "how to delete everything but OS Windows 10?" Well, it is an easy process. But, don't know how to do so? If yes, this article is for you. So, let us dive in.

Workable Solutions Step-by-step Troubleshooting
Method 1. Use Windows Reset This PC Step 1: Open your windows search bar and type "Reset This PC"...Full steps
Method 2. Wipe Everything Off a Hard Drive Step 1. Launch EaseUS BitWiper, click "Wipe Partition"...Full steps
Method 3. Erase a Whole Disk and Reinstall Windows Step 1. Click "Wipe Disk" from the panel...Full steps

Can I Securely Delete Everything Except The Operating System In Windows 10/11?

Delete everything

The simple answer to this question is that, yes, you can delete everything from your Pc except windows. However, you should know which data to delete. So, here is a sneak peek:

  • User Names and Passwords
  • Saved Accounts and Their Passwords
  • Sensitive Personal and Business Data

You can save this data on any portable storage device. For instance, an external HDD (Hard Disk Drive) would be an ideal storage device.

How Do I Delete Everything But My Operating System [3 Methods]

It can be a bit tough to ask some users to delete everything but OS. Therefore, we suggest three methods for deleting everything except the operating system. Here are those 3 methods.

Now, let us see how these methods work for deleting all data except the operating system.

Method 1. Use Windows Reset This PC to Delete Everything but OS

The first method is basically the stock method. This is because you will be using your Pc's own windows OS to delete the data. So, simply follow the below-mentioned steps.

Step 1: Open your windows search bar and type "Reset This PC." The following screen should appear.

Reset this pc

Step 2: In this step, a blue screen will appear. Here you will have two options to proceed. First, click on "Remove Everything."

reset PC to wipe everything but the OS

Step 3: Once you click on "Remove Everything," a new screen will pop up. Here you will be given access to some additional settings before removing everything. So, click on "Additional Settings."

Step 4: Place an arrow on clean data.

Choose the settings of your choice. Here, you can select to just delete the saved files and data. Once done, click on the next button.

Clean data

Step 6: Finally, the system will ask you for confirmation. Given that you have chosen the right setting, you can click on the "Reset" button.

Confirm to reset PC but the OS

Method 2. Wipe Everything Off a Hard Drive Except the OS

If you found the first method a bit technical, you can opt for this method. Here we will be using quality data recovery software. It's the EaseUS disk wipe software that we'll be using. It is available online. You can download it and run it to wipe everything except windows OS.

Free Download 

Windows 11/10/8/7100% Secure

EaseUS is an incredibly useful software that lets you erase any partition without a hassle. Its interface is simple and easy to use.

So, here is how it works. Once you have downloaded it, simply run its setup. The setup wizard will give you access to all its feature. From there, you have to select the "Wipe Partition" option. Once you click it, it will let you choose the partition of your system's hard drives.

You can select the partition you want to delete data from. For example, for keeping the windows OS, simply leave the windows partition as it is. So, with this approach, you can easily delete your all-important data stored in various partitions with ease.

Step 1. Launch EaseUS BitWiper, click "Wipe Partition".

Select Wipe Partition

Step 2. Select the system C drive you need to wipe, and click "Next". 

Select system C drive to wipe

Step 3. Select the Wiping Methods. EaseUS Secure Erase is recommended.

select wiping methods

Step 4. Click "Wipe" to confirm that you want to wipe the system drive. 

Confirm to wipe system c drive

Step 5. Wait patiently, when the program pops up a window and requires rebooting, click "Reboot".

It will enter a WinPE environment to immediately wipe out your system C drive.

Select Wipe Partition

Step 6. EaseUS BitWiper will automatically wipe your system C drive when your computer reboots. All you need is to wait patiently till the process completes.

Select Wipe Partition

Method 3. Completely Erase a Whole Disk and Reinstall the Windows System

You can erase the whole disk (HDD or SDD) in this method. Once erased, you will have to reinstall the Windows operating system. 

So, with this method, you cannot keep your windows while erasing other forms of data. That's the only con here. Anyhow, let us find out how this method works. So, let us get started.

First, Wipe Disk

For erasing the whole disk, you can simply rely on EaseUS BitWiper. It is one extremely easy-to-use and practical software that helps you erase the whole disk with ease. Moreover, it has a clean and easy-to-use interface that lets you find the desired option without hassle. So, download EaseUS BitWiper for seamless disk partition and erasing. 

Free Download 

Windows 11/10/8/7100% Secure

If you have downloaded the EaseUS, you just have to run its setup. The setup wizard will guide you on how to delete everything including the OS Windows 10. 

Step 1. Click "Wipe Disk" from the panel.

choose wipe disk

Step 2. Choose the OS drive you want to wipe and click "Next."

Notice: Select the correct OS drive to erase. Otherwise, your data will lose permanently.

wipe os disk 1

Step 3. Choose an appropriate wiping method and then click "Next."

wipe os disk 2

Step 4. Confirm the warning message and click "Wipe."

wipe os disk 3

Confirm the warning message again and click "Reboot."

wipe os disk 4

Step 5. Wait for wiping complete.

wipe finish

In the next step, you will get access to all your hard drives' partitions. You can delete the partition that contains your Windows operating system. This way, you will be able to erase all the data stored along with the Windows OS. 

Next, Reinstall Windows System

When you have erased everything from your computer's hard drive, it's time to reinstall the windows. Here are some easy steps that you can follow to reinstall the windows.

When you have erased everything from your computer's hard drive, it's time to reinstall the windows. Here are some easy steps that you can follow to reinstall the windows.

Step 1: In the first step, you will have to attach your media device that contains the windows files. It can be a USB device or simply a Disk.

Now reboot the system, it will ask you to enter any key to boot the window. press any key and the system will take you to the following screenshot.

Boot to install Windows 10 from usb bootable disk

Step 2: In the next step, the setup will give you the option to install Windows.

You can click on "Install Now" to continue. As it's a reinstall, so we are starting from scratch. 

Confirm to reinstall Windows

Step 3: So, now your window will start copying the files. During this time, your computer would restart several times.

Complete install Windows

Finally, you will be greeted with a welcome screen after a few minutes Congrats! You have reinstalled the windows successfully.


So, now you know how to delete everything but OS Windows 10? See, it is not that tough ask. Suppose you find using the windows setup difficult for erasing your data. Then, you can consider using disk wipe software such as EaseUS BitWiper.

With the help of the software, you can erase any partition, including the OS, without any hassle. 

Free Download 

Windows 11/10/8/7100% Secure