How to install Windows 10 without losing any file

 

We've got the steps you need to know to get windows 10 installed on your computer. Whether you're putting it on a computer for the first time, upgrading an earlier version of Windows, or just want to perform a clean installation on a computer that already has Windows 10 on it – we have answers. 

 Method 2:Repair install Windows 10 without losing any data 

If your Windows 10 can boot and you believe all the installed programs are fine, then you can use this method to reinstall Windows 10 without losing files and programs. If one or more of your program are damaged, you'd better keep personal files only.

1. Download Windows Media Creation tool from microsoft.com and create an installation ISO file with it.

2. Double click to mount the ISO file (for Windows 7, you need to use other tools to mount it). At the root directory, double-click to run the Setup.exe file.

3. When the Windows 10 Setup is ready, you can whether to download updates or not based on your needs.

4. In the What needs your attention screen, click "Change what to keep" option.

5. Then, you will access the Choose What to keep screen, you have three options, namely, "Keep personal files, apps, and Windows settings", "Keep personal files only", or "Nothing". Choose the first option and click Next.

6. Here you will go back the What needs your attention screen, confirm the option you select and click Refresh.

This may take a while because it will spend extra time scanning your hard drive and moving files. If you just want to keep your files where they are, then try the next method.

 

Method 3:Repair install Windows 10 without losing any data 

1. Insert your installation disc or your drive and boot from it. If you do not have one, you can download the Windows Media Creation tool to create one.

2. When it loads, select the language and keyboard, then click "Next".

3. Click "Install Now".

4. Type your product key or skip it. Usually, your computer will be activated automatically when it's connected to a network if your install the same version of Windows 10 as before.

5. Select the installation type "Custom".

6. At the following screen, just select the C: driveand click Next to proceed. Then, wait patiently until the installation complete 100%.

As long as you do not format the C: drive in the Setup, you will not lose your data, but they are moved to another location. After the installation, you can find a folder Windows.old in the root directory of C: drive. All your files are saved there.

After copy all your needed files out from Windows.old folder, you can use Disk Cleanup to delete the Windows.old folder to free up disk space.

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