How to Delete Windows.old Folder

Is it possible to permanently delete the Windows.old folder from your computer? Can you delete Windows.old files? To answer these questions, let's start by understanding what Windows.old is.

Part 1. What is Windows.old?

Windows.old is created when you upgrade from an old version of Windows to a new version of windows. It's stored in a folder identified as windows.old in the system file or local disk C. Let's say you want to upgrade from Windows 7/8/8.1 to Windows 10.

windows old folder

In this case, Windows will create a folder to store the previous operating system. The folder contains Windows system files, user account settings, among other files and folders.

You need to delete this folder as it takes up too much space in your local drive. Before you delete this folder, make sure you create a backup first. You may be wondering whether it's safe to delete this folder. It's safe to delete the Windows.old folder. It saves you disc space on your PC.

There are different ways of deleting the Windows.old folder. You can do it manually, using disc cleanup, or by writing a set of commands using MD. Let's have a look at how you can safely delete the Windows.old folder.

How to delete Windows.old folder manually

Deleting the Windows.old folder is not difficult. As earlier stated, this folder is stored in Local Disc C. Here's a step-by-step guide on how you can get rid of this folder.

Part 2: Why Windows.old folder cannot be deleted manually

Reasons why you cannot delete the Windows.old folder manually are:

1. The windows.old folder may have been removed by Windows

Windows is designed to delete the old windows folder automatically after a period of time. For instance, Windows 10 will automatically delete the Windows.old folder 30 days after the upgrade. If you're trying to delete this folder after 30 days, the previous window may have been deleted from your computer.

2. You do not have the system rights to delete the folder

This is a major reason why you cannot delete the Windows.old folder. You need to be the computer administrator to proceed. But, even if you have administrative rights, you may not proceed with delete without the rights of the administrative systems.

Here's how you can change the administrative rights to complete the delete process:

If you do not want to follow the long process, use CMD or disk cleanup to delete Windows.old folder. Let's have a detailed look at how you can use these methods.

Part 3: How to Deleted Windows.old in Other Ways

How to delete Windows.old folder with CMD

CMD or Command Prompt allows you to enter instructions into your computer using a set of commands. This is one of the commonly used methods of deleting an old windows folder. Here's a step-by-step guide to delete windows.old folder using command prompt (CMD):

Restart your computer to refresh and save changes. And that's it when using command prompt or cmd. The windows.old folder is automatically removed. If this method does not work for you, try using disc clean up.

How to delete Windows.old folder using Disk Cleanup

Windows disk cleanup allows users to delete files that are no longer necessary. Here's a step-by-step guide to using computer disk cleanup:

And there you have it. That's how you can delete the windows.old folder from your computer using disk cleanup. Let's have a look at how you can store a backup copy of the windows.old folder using an external drive.

Part 4 Tips: Backup Windows.old to an external hard drive

Having a backup copy of your previous Windows is very important. Here are the reasons why:

1. You can use it to restore previous files. The Windows.old folder acts like a backup plan to restore previous files, folders, and user profiles.

2. The new version of Windows may not be successfully installed. You can re-install the previous Windows from the Windows.old folder. This process is also referred to as downgrading.

Besides using a hard drive or USB drive to store your backup, you can also use software to maximize data security. One of the software's to use is QILING Disk Master Professional software.

The free drive clone software increases the backup security of your files, partitions, disks, and the operating system in general. In case of system failure, you can quickly and easily restore your files or an operating system from the backup.

With the QILING Disk Master Professional, all-in-one drive, you can back up everything that matters to you. In case of a system failure or Windows crash, you can run the backup to restore everything automatically. Don't worry, if you don't back it up, you can still use Deep Data Recovery to retrieve the lost files.

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