Reformatting a computer is a must if you are selling or giving it away. You don’t want anyone to access or dig up your personal information and files. It is also better to reformat your PC if you want to throw it away to avoid any potential risk.

Reformatting a PC is not a difficult task, and you only need about half an hour. In this article, we have mentioned the ways to reformat a computer for your particular OS.

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How to Reformat Windows Computer

On a Windows device, you may either perform a system reset or clean install the OS to reformat your PC. The first option reinstalls the OS your PC came with or a later version if you upgraded your system. You can install any version of Windows OS by clean installing it, so you might prefer this option if you are selling the computer.

First,back up your necessary filesor system to an external hard drive. Then, follow the steps for the method you prefer.

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Factory Reset Windows

The easiest way to reformat a Windows PC is by resetting it to factory settings. It removes and reinstalls Windows from your recovery partition. You also get the option to remove all the user files during this process.

If you want to give away or sell the PC, first, you shoulddelete all the partitionsapart from the system drive (usually C). Here’s how you can do so:

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Then,reset your PCto factory settings using the steps below:

you’re able to also perform the system reset from WinRE or use other methods. Check out our article onHow To Factory Reset on Windows 11for more information.

Clean Install Windows

Another way to reformat a Windows PC is to clean install Windows. If you want to install a different version of Windows on the computer, it is definitely the best method.

First, you need to create abootable Windows installation media. There are multiple ways to do so, but the easiest one is to use the Media Creation Tool. Here are the necessary steps:

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Then, insert andboot using the bootable drive, and follow the steps below to clean install Windows:

After the process completes and your PC restarts, it will load a customization screen to set up Windows for the first time.

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If you want tochange the ownership of the computer,you may not want to customize it. Here, press Shift + F10 or Shift + Fn + F10 to load Command Prompt. Here, entershutdown /s /t 5to shut down your computer after 5 seconds. Alternately, you can also press the Power button for 3 seconds to force shut down the PC.

How to Reformat Mac Computer

To reformat a Mac computer, you need to factory reset it. This process actually erases all Mac contents and then reinstalls a new OS from the online source.

Before your begin, back up any data you want on external storage using Time Machine or move the data to a new computerusing Migration Assistant.

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Then, move on to the actual steps below, depending on your macOS.

Reformat macOS Monterey Computer

Resetting macOS Monterey is much more convenient than resetting older Mac versions. This OS allows you to erase all your contents and settings, which you have to do manually for older macOS.

Also, macOS Monterey on a Mac with Apple silicon or Apple T2 Security Chip does not provide this option. So, in such a scenario, you’ll need to follow the same steps for earlier versions.

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Here’s how you can factory reset a macOS Monterey computer:

Your Mac may restart multiple times for the process to finish. During the process, you’ll get to the screen where it asks toconnect to a Bluetooth deviceor set up the Mac.

Here, press and hold the power button to turn it off if you aren’t going to use the reformatted device yourself. Otherwise, follow the on-screen instructions.

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Reformat macOS Big Sur or Earlier Computer

As mentioned earlier, you must manually erase all your contents and settings on macOS Big Sur or earlier.

First, you need tosign outof the following accounts:

Then,unpair your Bluetooth devicesif you are giving away your Mac. To do so,

Now, depending on your processor, follow the steps below to reset your Mac:

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On Apple Silicon Mac

Here are the steps to factory reset Mac with Apple Silicon processor:

On Intel-based Mac

Here’s how you can factory reset Mac Intel-based Mac computer:

On Both Mac systems, you shouldreset NVRAMafter reinstalling macOS. To do so, restart your Mac, and as soon as it starts booting, press and hold Command + Option + P + R for 20 seconds.

Your computer opens up to the setup assistant. Here, press Command + Q to shut it down if you want to give the Mac to someone else.

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How to Reformat Chromebook

Chromebook has a built-in feature, Powerwash, which basically deletes all user accounts and resets your Chromebook to the default factory state.

Before you begin, backup necessary data to Google Drive and sync your information and settings to your Google account. Then, follow the steps below to reformat your Chromebook using Powerwash:

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You can also Powerwash Chrome without logging in to an account. To do so,

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