System Restore rolls Windows 10 or Windows 11 back to a selected restore point so you can undo a problematic driver, application, update, or settings change. It is designed to change Windows system state—not to back up or delete your personal documents, photos, or other user files.
What System Restore does
Microsoft describes System Restore as a way to revert your PC’s state to an earlier point in time. A restore point is a snapshot of protected system configuration. Applying it can undo changes to monitored system files, replace the current Windows registry with the saved registry, and roll back installed programs and related settings.
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That scope makes System Restore useful after a change leaves Windows unstable. Typical triggers include a newly installed application, a device driver, a Windows update, or a configuration adjustment. Windows may create points automatically around significant events, and you can create one manually before making a risky change.
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What a restore point contains
- Monitored Windows system files.
- Registry settings.
- Installed-program information and system configuration.
- Other protected settings needed to return Windows to the selected state.
What it does not contain
System Restore is not a general backup of personal data. Microsoft’s description specifically distinguishes the protected system state from personal files. Documents, pictures, videos, email archives, and files stored in your user folders require a separate backup method. Do not use System Restore as a way to recover a deleted file.
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Is System Restore safe, and will it delete files?
System Restore is intended to leave personal files untouched. Its effect is on Windows configuration, monitored files, registry data, and installed programs. Because of that scope, a program, driver, or update installed after the selected point may no longer be present when the operation finishes. Conversely, a program removed after that point can return if its installation was part of the saved system state.
Review the proposed changes before confirming. The restore wizard can display a list of affected programs, which helps you identify software and drivers that will be removed or restored. Save open work and close applications before starting; Windows restarts to complete the operation.
Why protection must be enabled first
Current Microsoft Support instructions state that System Protection is not enabled by default in the documented Windows configuration. If protection was off when a problem occurred, Windows may have no restore point from that period. Enabling protection now does not recreate earlier points, but it allows Windows to make future points and lets you create one immediately.
Enable System Protection and create a restore point
Use these steps in Windows 10 or Windows 11:
- Open Start and search for Create a restore point.
- Open the result to display System Properties on the System Protection tab.
- Select the Windows system drive in the protection list, then choose Configure….
- Select Turn on system protection.
- Set the Max Usage slider. This is the maximum space Windows may allocate for restore points on that protected drive.
- Select Apply, then OK.
- Back on the System Protection tab, select Create….
- Enter a useful description, such as
Before graphics driver update 2026-10-18, and select Create.
After protection is enabled, Windows can create restore points automatically when needed. A descriptive manual point is easier to recognize than an automatically generated entry, especially before installing a driver, large application, or optional update.
Restore Windows while it still starts
If you can sign in to Windows, the built-in wizard is the simplest route.
- Open Control Panel.
- Choose Recovery.
- Select Open System Restore.
You can also press Win+R, enter rstrui.exe, and press Enter. The wizard presents available points. Select Show more restore points when that option is available to reveal older entries.
Check the impact before committing
Select a restore point and choose Scan for affected programs. Windows reports software and drivers that may be changed. Use the date, description, and affected-program list to choose a point from before the suspected change. A point created after the problem began is unlikely to remove the original cause.
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Complete the restoration
- Confirm the selected point and review the affected-program report.
- Start the restore operation in the wizard.
- Allow Windows to restart and finish without turning the computer off.
After sign-in, test the specific function that failed: launch the affected application, reconnect the device, or check whether the update-related behavior has changed. System Restore changes system state; it does not substitute for a personal-file backup.
Restore from Windows Recovery Environment when Windows will not boot
If Windows cannot start normally, enter the Windows Recovery Environment (WinRE), then use the same recovery component:
- Start the PC until the Windows recovery screen appears. If necessary, use Windows’ available recovery-entry method for your device to reach WinRE.
- Choose Troubleshoot.
- Choose Advanced options.
- Select System Restore.
- Choose an available restore point and complete the wizard.
Microsoft warns that an encrypted device may require its BitLocker recovery key in WinRE. Locate that key before beginning recovery; without the required key, the encrypted drive may not be accessible through this path. The computer restarts when the restore is applied.
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How much disk space System Restore uses
Windows stores restore points within an allocation you set in the System Protection configuration. When that allocation is full, Windows removes older points to make room for newer ones. Therefore, the age and number of points retained depend on the disk size, the configured maximum, and how much protected data changes over time.
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|---|---|---|
| 64 GB or less | Up to 3% of total disk space | The technical table gives a percentage ceiling; the actual available history also depends on your System Protection setting. |
| More than 64 GB | Up to 5% of total disk space or 10 GB, whichever is less | This is an upper limit in Microsoft’s technical documentation, not a promise that every installation uses that amount. |
The current System Protection interface lets you choose the maximum with a slider. A smaller allocation can preserve less history, while a larger allocation consumes more disk space that could otherwise be used for applications and files. Microsoft does not guarantee a fixed number of retained restore points or a fixed number of days; Windows purges older points when the allocation requires it.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Why there are no restore points
Protection was disabled
If System Protection was never turned on for the relevant drive, Windows could not create usable points there. Enable it through Create a restore point and create a named point before your next system change.
The allocation was exhausted
When the configured space is needed for a newer point, Windows deletes older points. Increase the maximum in System Properties > System Protection > Configure… if you need a longer history, understanding that this uses more disk space.
Automatic creation did not occur
Automatic points are event-driven rather than a guaranteed daily archive. Microsoft’s technical documentation says scheduled points in Windows 7 and later are created only when no other restore point was made during the preceding seven days. A recent installation or update may therefore mean Windows does not create another scheduled point immediately.
The wizard is showing only a short list
Use Show more restore points in the running-Windows wizard. If older points still do not appear, they may have been removed by the allocation limit or may never have existed because protection was disabled.
A point is unavailable on a newer Windows 11 security configuration
Microsoft Learn documents a version-specific change after the July 2026 security update. On Windows 11 versions 24H2, 25H2, and 26H1, and on Windows Server 2025, Virtualization-Based Security can trigger security checks for restore points. Points that do not meet the required checks may not be accessible. This is not a universal behavior for every Windows release; it depends on the operating-system version, update level, and security configuration.
Known version-specific failure after a Windows 10 update
Microsoft records a Windows 10 scenario in which restoring to an earlier point after installing updates can produce stop error 0xc000021a. If that occurs, use WinRE and follow Microsoft’s documented procedures for continuing or undoing the restore rather than repeatedly forcing normal startups. The exact recovery choices can depend on the update and the state of the installation.
System Restore compared with a personal-file backup
| Question | System Restore | Separate personal-file backup |
|---|---|---|
| What is captured? | System files, registry settings, installed programs, and protected configuration. | Personal data selected by the backup method. |
| Can it recover a deleted document? | No; it is not a personal-file backup. | That is the purpose of a file backup, subject to its retention. |
| Must it be enabled in advance? | Yes. Protection must be enabled before points can be created. | The requirement depends on the backup method, but the backup must exist before data loss. |
| Can Windows be unable to boot? | Yes. WinRE provides the System Restore path, with a BitLocker recovery key potentially required. | Recovery depends on the backup medium and its recovery software. |
| How is history retained? | Within a configurable disk allocation; older points are purged when space is needed. | According to the storage and retention policy of the separate backup. |
Use System Restore for a bad system change and a separate backup for personal data. Keeping both addresses different failure modes rather than treating one as a replacement for the other.
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Quick Recap
A practical routine before risky changes
- Open Create a restore point and verify that protection is turned on for the Windows drive.
- Check the allocation slider and make sure enough space is available for useful history.
- Select Create… and name a point for the exact driver, application, update, or settings change you are about to make.
- Make a separate copy of important personal files; the restore point does not provide that protection.
- If the change causes instability, run
rstrui.exeor use Control Panel > Recovery > Open System Restore. - Use Scan for affected programs, select a point from before the change, and let Windows restart to apply it.
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