Reinstall Windows 10

Berlaku untuk: Windows 10

If you're having problems with Windows 10 on your PC or you want a fresh copy of Windows 10 without the clutter of old files or apps, you can reinstall Windows 10 to try and fix your issues and return your PC to a cleaner state.
 

Check your disk space

If your PC isn't performing as expected or if you're having issues with Windows 10, it may be because of low disk space. Before you use the steps to reinstall Windows 10, try freeing up disk space first to see if that fixes things. For the steps to do this, see Free up drive space in Windows 10.

Before you begin

Types of reinstalls for Windows 10

The following chart provides info about the different options that you can choose for each type of reinstall including what happens to your apps, files, personal data, and how much disk space is required for the reinstall. Use this chart to help you decide which option to use to reinstall Windows 10.

We recommend you start with the "Reset Windows 10" option first, the "Reinstall Windows 10 using installation media" option next, and then the "Clean install of Windows 10 using installation media" option if needed. 

 

Reinstall type Reinstall options you can choose What happens to your apps 

What happens to your personal data stored under \Users

What happens to data stored in other folders or drives  Disk space required 
Reset Windows 10
 
Keep my files 

Apps that didn't come with your PC will be removed. 

Preserved  Preserved Medium 
Reset Windows 10 Remove everything  Apps that didn't come with your PC will be removed.   Deleted  Deleted  Low
Keep Everything (Default) All apps and settings are preserved. Preserved  Preserved  High
Reinstall Windows 10 using installation media Keep Personal Data All apps are removed. Preserved  Preserved  Medium
Reinstall Windows 10 using installation media Keep Nothing All apps are removed. Deleted  Deleted  Low

N/A

(This reinstall option deletes and recreates all disk partitions.)

Deleted  Deleted  Deleted  Very low

 

Reset Windows 10

This option will take your device back to a state similar to when you turned it on for the first time, removing personal files and programs you might have installed, depending on which files you choose to keep. Windows will handle everything automatically, and you won’t need to use an external storage device. Resetting your device is less impactful than the clean install option, though it will require sufficient disk space. 

You can reset your PC from Settings, the sign-in screen, or by using a recovery drive or installation media. For the steps to reset Windows 10, see Reset or reinstall Windows 10.

If your PC doesn’t have sufficient space available to reset Windows 10, you’ll receive a notification. In this scenario, use the steps in the "Reinstall Windows 10 with the media creation tool" section to reinstall Windows 10.

Reinstall Windows 10 using installation media

This option will use a tool to create installation media which you can use to completely wipe the disk and install a fresh copy of Windows 10. This option requires you to use an external storage device such as a USB drive, and may take a few extra steps, though it will delete everything for the cleanest installation.  

Before you begin, make sure you have the following:

  • An internet connection
  • An external storage device such as a USB drive, SD card, or external hard drive with at least 8GB of available space.

Create the installation media

First, create the installation media that you'll use to reinstall Windows 10. 

  1. Make sure you've backed up any files on your device that you wish to save onto an external storage device such as a USB drive, SD card, or external hard drive, or upload your files to OneDrive.
  2. Download the Windows 10 installation media to a separate 8GB-sized external storage device. Everything on this drive will be deleted to complete the download, so make sure it’s empty before you proceed. Here's how:
    1. On a working PC, go to the Microsoft software download website.
    2. When the download is complete, open the tool from your desktop, and then select Yes when asked if you’d like to allow the tool to make changes to your device.
    3. When the Windows 10 Setup guide appears, accept the license terms and agreements.
    4. Select Create installation media (USB flash drive, DVD, or ISO file) from another PC, and then select Next.
    5. Choose a language, edition, and architecture (64-bit or 32-bit).
    6. Follow the steps to create installation media, and then select Finish.

Use the installation media to reinstall Windows 10

Connect the installation media you created to your PC and reinstall Windows 10. 

  1. On the initial setup screen, enter your language and other preferences, and then select Next. If you don't see the setup screen, your PC might not be set up to boot from a drive. Check your PC manufacturer's website for info on how to change your PC's boot order, and then try again.
  2. Select Install now.
  3. On the Enter the product key to activate Windows page, enter a product key if you have one. If you upgraded to Windows 10 for free or bought and activated Windows 10 from Microsoft Store, select Skip and Windows will automatically activate later. For more details, see Activation in Windows 10.
  4. On the License terms page, select I accept the license terms (if you agree to them), and then select Next.
  5. On the Which type of installation do you want? page, select Custom.
  6. On the Where do you want to install Windows? page, select a partition, select a formatting option (if necessary), and then follow the instructions.
  7. When you've finished formatting, select Next.
  8. Follow the rest of the setup instructions to finish installing Windows 10.

Clean install of Windows 10 using installation media

This option will use a tool to create installation media which you can use to completely wipe the disk and install a fresh copy of Windows 10. This option requires you to use an external storage device such as a USB drive, and may take a few extra steps, though it will delete everything for the cleanest installation. This type of clean install deletes and recreates system partitions. It will delete all personal files on your device and the partition on your hard drive currently being used for your recovery drive.

Before you begin, make sure you have the following:

  • An internet connection
  • An external storage device such as a USB drive, SD card, or external hard drive with at least 8GB of available space.

Create the installation media

First, create the installation media that you'll use to perform a clean install of Windows 10. 

  1. Make sure you've backed up any files on your device that you wish to save onto an external storage device such as a USB drive, SD card, or external hard drive, or upload your files to OneDrive.
  2. Download the Windows 10 installation media to a separate 8GB-sized external storage device. Everything on this drive will be deleted to complete the download, so make sure it’s empty before you proceed. Here's how:
    1. On a working PC, go to the Microsoft software download website.
    2. When the download is complete, open the tool from your desktop, and then select Yes when asked if you’d like to allow the tool to make changes to your device.
    3. When the Windows 10 Setup guide appears, accept the license terms and agreements.
    4. Select Create installation media (USB flash drive, DVD, or ISO file) from another PC, and then select Next.
    5. Choose a language, edition, and architecture (64-bit or 32-bit).
    6. Follow the steps to create installation media, and then select Finish.

Use the installation media to perform a clean install

Connect the installation media you created to your PC and perform a clean install of Windows 10. 

  1. Select the Start  button, then select Settings > Update & Security  > Recovery .
  2. Under Advanced startup, select Restart now.
  3. Select Use a device, and then choose the device corresponding to the external storage device you’re using.
  1. When the first Windows screen appears, choose the options that best suit your needs, and then select Next. 
  2. Select Install now, and then check the I accept box. Select Next, and then select Custom: Install Windows only (advanced). Your device will now display a list of drives and partitions. If multiple disks are displayed, you’ll only need to delete all partitions from the disk where you want to install Windows.
  3. Highlight each drive/partition in the list and select Delete. When the Windows Setup notification appears, select OK.
  4. Complete step 5 for every drive in the list except the one that says Unallocated Space. When you’re finished, only Drive 0 Unallocated Space should remain.
  5. Select Next.
  6. The Windows setup screen will now display Installing Windows. When the installation is complete, your device will restart. When this happens, it may try to restart from the external storage device. If the initial Windows setup screen requests you choose you language/keyboard layout, remove the external storage drive from your device and select OK. This will restart your device.
  7. Once the installation is complete and your device has restarted, select the preferences and settings you’d like for your device.