How to reinstall Windows 11

Computers get slower and weirder the older they get. Strange issues start popping up, like certain apps or peripherals that just don’t connect anymore, the Settings app not working completely, and built-in features like Windows Search caught in infinite loops. You can spend hours trying to troubleshoot the specific problems you’re having (which may not even work), or you could just fix most of them all at once by reinstalling Windows 11.

Here’s everything you need to know about reinstalling Windows 11 fast from a working OS.

» Trying to figure out what’s wrong with your PC? Here’s how to run a diagnostics report

What to know before reinstalling Windows 11

Choosing the right Windows 11 reinstallation method isn’t just about getting the OS running again but about balancing speed, reliability, security requirements, and long-term system health. The wrong approach can reintroduce problems, violate compliance policies, or create unnecessary downtime.

Not every Windows problem requires a full reinstall. Before you commit to wiping and rebuilding a system, it’s worth understanding which approach fits your situation:

• Factory reset (“remove everything”): This makes sense when you’re decommissioning devices, handing off hardware to new users, or dealing with severe malware that’s compromised system integrity. This option erases all user data, apps, and settings, returning Windows to a clean slate.
• In-place repair (also called an in-place upgrade): This works when the OS itself is corrupted but you want to preserve the current environment. This approach is best when speed matters more than a completely clean start.
• Reset while keeping user files: This strikes a middle ground. It removes apps and settings but preserves documents, photos, and personal data, which works well when a system has accumulated performance issues but the data is clean and needs to stay intact.
• Full wipe and clean install: This is the gold standard for enterprise IT deployments. This method allows you to enable features like Secure Boot, TPM, and virtualization-based security from the ground up. It’s slower and more disruptive, but it delivers the most reliable baseline for long-term stability.

» Here’s how to confirm that Secure Boot is enabled on your PC

Essential preparation steps before reinstalling

Skipping preparation steps before a Windows 11 reinstall could lead to data loss, licensing headaches, and post-install chaos. Here’s what needs to happen before you touch that reset button:

• Back up personal files and ensure OneDrive or local backups have fully synced
• Export browser data (bookmarks, passwords, extensions)
• Suspend BitLocker encryption to prevent boot-loop recovery prompts after reinstall
• Export key drivers (Wi-Fi, storage, GPU) using tools like pnputil, especially for devices with uncommon chipsets
• Verify Windows activation status and license under Settings > System > Activation to avoid license issues afterward
• Confirm device registration for machines joined to Azure AD, Entra ID, or a local domain so they can rejoin automatically post-install

For enterprise environments, most of these features are verified centrally through management platforms like Atera or Intune policies: drivers are stored in shared repositories rather than exported individually, activation is governed by volume licensing (KMS or Azure AD), and device registration is tracked and enforced via policy.

Step-by-step Windows 11 reinstallation

WARNING: These steps require you to actually be able to boot into Windows. If your current system is so corrupted it can’t boot (or if you’re upgrading to a new PC or Windows edition), you’ll need to perform a clean install. Here’s our guide to using the Windows 11 creation tool for a fresh Windows install.

Otherwise, “Reset this PC” is your go-to option when the system is still bootable and you need a quick turnaround. It works well for corrupted systems, slow devices, or malware cleanup where you don’t need the full control of a clean install.

The result will be a complete out-of-box experience (OOBE) setup, including account sign-in and initial configuration. This method is especially useful for individual users or small-scale IT operations where creating bootable media isn’t practical.

Follow these steps:

1. Open Settings > System > Recovery

2. Click “Reset PC”

3. Choose your reset option:

• Keep my files: Removes apps and settings but preserves user folders (documents, photos, desktop files). You’ll need to reinstall applications afterward.
• Remove everything: Full wipe that erases all user data, apps, and settings. Use this when decommissioning devices or handing them to new users.

Select your reinstallation source on the next screen:

• Local reinstall: Reinstalls Windows from this device using the recovery partition. Faster and works offline, but relies on the recovery partition being intact and might not be the latest version of Windows. Be warned that if the recovery image is corrupted (common after malware infections or file-system damage) the reinstall may fail or reintroduce the same IT issues. This works well for field technicians working on-site with slow connections, or for devices that need quick turnaround without the bandwidth cost of cloud downloads.
• Cloud download: Downloads and reinstalls Windows from Microsoft’s servers (~4 GB). This guarantees the latest version with uncorrupted files, but requires stable internet. For IT teams managing multiple devices, bandwidth is the main constraint. Multiple endpoints downloading full images can saturate corporate networks.

Review additional settings if prompted: For “Remove everything,” you may see options for data erasure thoroughness (quick erase vs. secure erase), and you’ll need to confirm whether to clean all drives or just the Windows drive.

Click Reset

Windows restarts, removes old components, reinstalls the OS, and performs automatic driver provisioning.

» Drivers still outdated? Here’s how to update drivers on PC and the best driver updater software options

The difference on managed and virtualized environments

Reinstalling Windows 11 in managed or virtualized environments requires a different approach because the OS must return fully enrolled, compliant, and identity-bound.

For example, Azure Virtual Desktop simplifies reinstallation by treating session hosts as disposable infrastructure. Rather than repairing Windows in place, admins maintain a golden image containing the required Windows 11 edition, applications, and baseline configurations. When a session host becomes unstable or misconfigured, you simply remove that VM from the host pool and provision a new one from the golden image either through the AVD portal or via automation tools like ARM templates or Terraform. The new host automatically joins the host pool and domain environment.

User profiles and data persist separately through FSLogix profile containers stored on network or cloud storage, so users can reconnect to a fresh host without losing their personal settings. This “rebuild from image” approach minimizes configuration drift and ensures all session hosts remain consistent with your standardized baseline.

» Learn more about Azure AD vs. Active Directory and virtual machines with Microsoft Hyper-V

For Intune and Autopilot environments

In Intune/Autopilot deployments, the main options are Autopilot Reset and Fresh Start, both of which reinstall Windows while keeping the device joined to Microsoft Entra ID (Azure AD) and enrolled in Intune, but with different purposes. Autopilot Reset is the preferred choice when repurposing or “re‑provisioning” a corporate device because it removes user data and apps while preserving the device’s cloud identity and management connection.​

When you run Windows Autopilot Reset on a supported Microsoft Entra join device (not hybrid join), it removes user accounts, user data, and user‑installed apps, returning the device to a business‑ready state for a new user, while preserving Microsoft Entra device membership and Intune (MDM) enrollment, Wi-Fi connection details, and SCEP certificates.

Follow these steps:

Go to the Microsoft Intune admin center > Devices > Windows > All devices

Select the target Autopilot device

In the device actions toolbar, choose Autopilot Reset and confirm

Note: Fresh Start is a different Intune remote action that reinstalls Windows while keeping Azure AD and Intune enrollment, but focuses on removing OEM bloatware and installed apps on an already assigned device. It is useful for cleaning up sluggish or heavily customized endpoints, not typically for full repurposing like Autopilot Reset.

Automation is the key to scale consistently

Managing reinstallations across dozens or hundreds of endpoints manually simply doesn’t scale. Automation is what transforms reinstallation from a disruptive, time-consuming process into routine maintenance that happens reliably in the background.

PowerShell scripts can trigger Autopilot Reset remotely, restore BitLocker recovery keys from Azure AD or SCCM, force re-evaluation of compliance policies, and validate device enrollment status automatically. But writing these scripts requires technical expertise that not every IT team has on hand.

This is where platforms like Atera make a difference. Atera’s AI Copilot can generate PowerShell scripts from plain-text instructions. Just describe what you need such as “verify BitLocker status” or “run Windows Updates” to get working code in seconds that can be deployed to endpoints remotely using Atera’s RMM platform.