Free up drive space in Windows - Microsoft Support
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.
Which version of Windows operating system am I running?
Find operating system info in Windows 8.1 or Windows RT 8.1. To find out which version of Windows your device is running, press the Windows logo key key + R, type winver in the Open box, and then select OK.. If your device is running Windows 8.1 or Windows RT 8.1, here’s how to learn more:
How to earn Microsoft Rewards points - Microsoft Support
Buy stuff from Microsoft Store online (from your mobile device, on Xbox One, in the Microsoft Store app on your Windows 10/11 or Windows 8.1 device, or via the web).
Applies To:
Microsoft account dashboard
Microsoft 日本語 IME - Microsoft サポート
このページでは、IME 機能やキーボードのショートカットなど、Microsoft 日本語 IME の使い方について説明します。
Windows 11 のアップグレードの準備 - Microsoft サポート
Windows 11 は新しい Windows ユーザー インターフェイスであり、お好みのものにあなたをさらに近づけます。 直感的なナビゲーションと簡単な整理により、Windows 11 はまったく新しい外観、より多くのアプリ、そして創造的で生産的な効率的な方法を備えています。
Activate Office - Microsoft Support
Learn how to activate Office pre-installed on new Windows 10 PCs or with a new product key.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Microsoft 365 admin, Project for Office 365
PC 正常性チェック アプリの使用方法 - Microsoft サポート
お客様からのフィードバックを基に定期的に更新されており、Windows PC を最大限に活用するのに役立ちます。 PC 正常性チェックを開く方法 Windows で、タスク バーの検索を使用して「PC 正常性チェック」を検索し、結果の一覧から選択します。
Contact - Microsoft Support
Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2
最新の Windows Update を入手する - Microsoft サポート
利用可能になるとすぐに最新の更新プログラムを自動的に取得する. デバイスで利用可能になるとすぐに、最新のセキュリティ以外の更新プログラムと機能更新プログラムを Windows に入手させることができます。
Change your default search engine in Microsoft Edge
Keeping Bing as your default search engine provides an enhanced search experience in the new Microsoft Edge , including direct links to Windows apps, relevant suggestions from your organization if you’re signed in with a work or school account, and instant answers to questions about Windows.However, you can change the default search engine to any site that uses OpenSearch technology.