[2018 Hot Tip] How to Remove Windows 7 from Dual Boot OS (with Windows 10/8)?

This article mainly tells those dual boot OS users about how to remove Windows 7 from their dual boot PC without reinstalling system. 
If you are looking for a way to uninstall Windows 7 or other Windows OS from a dual boot OS, follow and try tips provided on this page now:

Notice: The methods to remove Windows 7 from dual boot OS can also be applied to uninstall Windows 10, or Windows 8, etc. from a dual-boot computer or laptop.

How to remove Windows 7 from dual boot PC (with Windows 10 or 8)?

Question: How do I remove Windows 7 from my dual boot computer?
Are you having a similar problem of having no effective methods to remove or uninstall Windows 7, Windows 8 or even Windows 10 from your dual boot computer?
How many of you have ever tried to uninstall a Windows operating system from dual boot OS, trying to keep only one system on your PC without reinstallation? 
Just follow provided guide steps here in the below to uninstall and remove Windows 7 from dual boot PC with Windows 10 or Windows 8 without reinstalling OS now:

Step 1. Remove Windows 7 from dual boot menu
Disable/Hide Windows 7 from the dual boot menu

When you installed two Windows systems on a computer or laptop, a dual-boot menu will show up in the Windows Boot Manager when you try to start a Windows system. 
And if you want to uninstall or remove Windows 7 from dual boot OS, the first step that you should take is to disable or hide Windows 7 from the dual boot menu. How to do it? 
Here are the detail guidelines for you to follow:

1. Click Start or Windows icon, find and click on Search.

2.Type: msconfig in the search box and open System Configuration.

3. Go to Boot and select the Windows version that you want to boot into directly and choose Set as Default.
4. Choose Windows 7 or other Windows OS, click Delete.
5. Then click Apply and OK to keep all the changes. 

6. After this, restart your PC and it will boot from the Windows system that you want to keep on your PC.

After this, you can start to remove Windows 7 from your dual boot PC now. But if you have some important files saved in your Windows 7 system partition, please follow Step 2 to extract or backup from Windows 7 system partition.

Step 2. Extract/Backup data from Windows 7 system partition

In order to avoid unnecessary data loss issue while uninstalling or removing Windows 7 from your dual boot system, we’d like to recommend you extract and backup important data from your Windows 7 system partition to a secure hard drive partition or external storage device in advance. 
Here you can try any one of these tricks listed in the below for backing up Windows 7 partition data:

1. Copy and paste files from Windows 7 OS partition to another location one by one.
2. Backup files from Windows 7 to another partition or device with free backup software.
3. Extract and restore data from Windows 7 OS partition to another storage device with file recovery software.

After this, you may move on and follow guidelines in Step 3 to remove and uninstall Windows 7 system from your dual boot system now.

Step 3. Remove/Uninstall Windows 7 from Dual-boot OS without reinstallation

Usually, when we speak of uninstalling or removing Windows OS from a computer, some people would come out with this idea that they can delete Windows OS partition to uninstall Windows system by using Windows Disk Management tool.

However, it has been tested that Windows Disk Management cannot delete or remove a system partition. Relax! Right now, we’d like to recommend you try powerful partition manager software - EaseUS Partition Master which supports you directly uninstall and delete Windows 7 OS partition and remove it from your dual boot hard drive with a few simple clicks.

You can directly download, install it on your PC and activate it for a smooth Windows 7 uninstalling process on your computer:

Let’s see how to remove Windows 7 from your dual boot PC without reinstalling Windows system right now:

1. Launch EaseUS Partition Master on your PC and right-click on the Windows 7 system partition - C drive and select Delete partition.

2. Click OK to confirm. 

Note: This step will delete all data on your Windows 7 system partition. If you have important data, please backup or extract important data in advance before you confirm this operation.

3. Click Apply to keep all changes on your computer.
After this, you can restart PC to keep all changes. And you’ll get a healthy Windows computer with only one OS on the system disk. 

You’ll also get empty and unallocated space in the original location of Windows 7 system partition, and you can create a new partition or add space to your other partition so to make use of unallocated space there with EaseUS Partition Master as a hard drive partition to save data.