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Surface Pro (5th Gen) and Windows 10. Surface Pro (5th Gen) comes with Windows 10 Pro edition. If you're not sure which Surface model you're using, see Which Surface model do I have?. Diagrams of Surface Pro (5th Gen)

Important: Office 2007 is no longer supported. Learn how to upgrade to a newer version.If you still need to install this version, you'll need an Office 2007 installation disc and a product key for the version you're trying to install.

Looking for a long-lost app or program? There are several ways you can find what you need. Select Start , and then scroll through the alphabetical list on the left (if your Start screen is set to show as full screen, select All apps, and then scroll through the list).

インストールの準備 作業を始める前に、ご利用の PC または Mac がシステム要件を満たしていることを確認します。 プロダクト キーを既に使用している場合は、アプリを再インストールするか、職場または学校でライセンスが割り当てられていることがわかっている場合は、先に進んで ...

To change your current theme: Click Start > Settings > Personalization > Themes.. Under "Change theme", click the tile to switch to the theme you'd like to use.

Download our Formulas tutorial workbook. We've put together a Get started with Formulas workbook that you can download. If you’re new to Excel, or even if you have some experience with it, you can walk through Excel’s most common formulas in this tour.

如果您在安裝印表機或掃描器時發生問題，請參閱修正印表機問題或在 Windows 中安裝和使用掃描器。 使用迅速配對來配對藍牙裝置 Windows 11中的迅速配對可讓您快速配對支援的藍牙裝置與電腦。 如果藍牙裝置支援迅速配對，當裝置在附近且您將其置於配對模式以使其變成可搜尋的，您會收到通知。

Manually clear the Delivery Optimization cache in Windows 10. Delivery Optimization in Windows 10 clears its cache automatically. Files are removed from the cache after a short time period or when their contents take up too much disk space.

Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.