If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

Sign in to SharePoint. SharePoint is a browser-based app that you connect to through your web browser, like so: Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint.

If you're having trouble installing updates, see Troubleshoot problems updating Windows. For answers to frequently asked questions, see Windows Update: FAQ. Learn about Windows service packs and download the latest updates for Windows 10 and Windows 8.1.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

In this article we'll talk about how to install those fonts so you can use them in Microsoft Office. Note: To embed fonts in a Microsoft Office Word document or PowerPoint presentation, see Embedding fonts on the PPTools site.

Here's how to unblock your account. Note: If either your Outlook.com mailbox or your OneDrive storage is full, you cannot send or receive email. Check your Outbox or your mailbox storage to see what's taking up space. Learn more.

Manually update Surface drivers and firmware. Manual updates are useful if you need to update an offline device, update many devices that are all the same model, or if you’re creating system images for your organization.

Learn how to download games and apps to your Xbox, including how to pause, change download order, or reinstall.

Play a CD or DVD in Windows Media Player. In Windows Media Player, you can play audio CDs, data CDs, and data DVDs that contain music or video files (also known as media CDs). You can also play video CDs (VCDs), which are similar to DVDs, although the video quality isn't as high.

You suspect your device has been infected. Use installation media to reinstall Windows 11. Select one of the recovery options below and follow the steps to try to get things working again. If you've recently installed a Windows update, uninstall the update to try to resolve the issue.