Windows 10 Windows 8.1 Windows 7. You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows. To create installation media, go to the software download website, where you'll find step-by-step instructions.

Swipe in from the right edge of the screen, and then tap Search.Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.Type Command Prompt in the Search box, right-click Command Prompt, and then click Run as administrator.If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.

Windows 11 Windows 10. If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key. Where can I find my BitLocker recovery key?

Go to Start > Settings > Update & Security > Windows Security > Device security . Under Security processor, select Security processor details. Select Security processor troubleshooting, and then under Clear TPM, select Clear TPM. You'll need to restart your device to complete the process.

Open the Surface app. In the Surface app, expand Help & support to check if the update status is "You're up to date" or something else. If needed, select the option to update the devices. Note: If you don't have the Surface app installed, you can download the Surface app from the Microsoft Store.

Windows 10. Unlike in previous versions of Windows, you’ll need to use the media creation tool to create an ISO file to install Windows 10. Make sure you have a license to install Windows 10, and then follow these steps: On the Windows 10 download page, download the media creation tool by selecting Download now, then run the tool.

Make sure Windows 11 is activated. You’ll need to link your Microsoft account to your digital license before you reinstall Windows. You'll need to reactivate Windows 11 if you've made a significant hardware change to your PC. You’ll need to reinstall the edition of Windows that matches your license. Types of reinstalls for Windows 11.

Error message 1. The Windows Installer Service could not be accessed. Error message 2. Windows Installer Service couldn't be started. Error message 3. Could not start the Windows Installer service on Local Computer. Error 5: Access is denied. Resolution.

Recovery options in Windows. Fresh Start in Windows 10 lets you perform a clean reinstallation and update of Windows while keeping your personal data and most Windows settings intact.

Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the Recycle Bin.