What is the file windows.old? Can it be deleted?
"windows.old" is a backup file of the old system after the windows system upgrade, which is used to avoid data loss if the system upgrade fails; after the upgrade is successful, if it is found that everything is normal and the files originally saved on the system disk If other files still exist, you can delete the folder.
The operating environment of this tutorial: Windows 11 system, Lenovo Savior R9000K computer.
What is the file windows.old?
Windows.old refers to the folder where important files in the old system are backed up when the computer is reinstalling the system. It is located in the C drive of the new system.
The windows.old file is a system file automatically generated after a Windows system upgrade. It mainly contains three important directories of Windows, Program Files, and Users of the old system. You can simply understand it as a system backup to avoid system upgrade failure or System rollback data is lost. This file is needed when you want to roll back the system.
Can the windows.old file be deleted?
can delete. However, it is recommended not to delete this file within one month of computer system upgrade.
After the upgrade is successful, if you find that everything is normal and other files originally saved on the system disk still exist, you can delete the folder.
windows.old is a very important backup file for system rollback, so it is recommended not to delete this file within one month of computer system upgrade to avoid system incompatibility or certain bugs that may cause inoperability when you need to restore the old system. .
If you delete windows.old and then reinstall the system, the old files and original settings on the system disk will not be automatically retained, such as wifi accounts and other user-configured content, which is equivalent to a complete format. A new system content.
Microsoft official website stated that after using the new system for a period of time and confirming that there is no need to restore the system, you can delete the Windows.old folder to safely free up disk space.
Why is there no windows.old in my computer?
Install the new version on the old system. During installation, choose whether to retain the old file configuration, and do not format the partition system disk. After the installation is completed, the system will generate Windows.old in the partition where it is located. folder.
How to initialize the Windows 11 system?
Step 1. Click on the Start menu:
Step 2. Click on Settings:
Step 3. System, the options on the right are below, select recovery.
Step 4. Click to initialize the computer.
For more related knowledge, please visit the FAQ column!
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