Note: If it’s been fewer than 10 days since you upgraded to Windows 10, your previous version of Windows will be listed as a system file you can delete.If you need to free up drive space, you can delete it, but keep in mind that you'll be deleting your Windows.old folder, which contains files that give you the option to go back to your previous version of Windows.

インストール メディア (USB フラッシュ ドライブまたは DVD) を使用すると、Windows の新しいコピーのインストール、クリーン インストール、Windows の再インストールを行うことができます。

Important: Before trying any of the solutions below, make sure you back up your personal files. You can back up your Windows PC, or insert a USB drive and use File Explorer to drag and copy important files to the USB drive.If you’re signing into Windows with a Microsoft account, your system settings will be automatically restored after updating, once you’re connected to the internet.

To access your sign-in options, go to Start > Settings > Accounts > Sign-in options.. Or just select this button: Go to Sign-in options. Change or manage your password or PIN. To change your password or PIN, go to Start > Settings > Accounts > Sign-in options. Select PIN (Windows Hello), and then select Change PIN.

Nota: La mejor y más segura manera de obtener actualizaciones de controladores en Windows es siempre a través de Windows Update.Si tiene problemas con Windows Update, es posible que vea si alguno de los vínculos de Actualizar Windows puede ayudarle primero.

Before you begin. Driver updates for Windows, along with many devices, such as network adapters, monitors, printers, and video cards, are automatically downloaded and installed through Windows Update.

Do one of the following: If you've never used Easy Connect, select Use Easy Connect.. If you've used Easy Connect before, select your helper’s contact name. To invite someone who isn't on your contact list, select Invite someone to help you.

On a Mac? See Check for Office for Mac updates automatically.. Click here for the Latest updates for versions of Office that use Windows Installer (MSI).. Choose your version of Office. If you're not sure what version of Office you have, see What version of Office am I using?. Not sure which type of install you have?

Some sites are built to work with Internet Explorer and have functionality that isn't supported by modern browsers such as Microsoft Edge. If you need to view one of these sites, you can use Internet Explorer Mode in Microsoft Edge.

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.