Apprenez à activer Windows à l'aide d'une clé de produit ou d'une licence numérique, à vérifier l'état de votre activation et à lier votre compte Microsoft.

Learn how to set up a connection to a proxy server on your Windows PC.

Hotmail が Outlook.com になりました。 サインインして、Outlook.com、Hotmail、Live、または MSN メール アカウントにアクセスする方法について説明します。

Discover how to earn Microsoft Rewards points through various activities and redeem them for exciting rewards.

Microsoft made a commitment to provide 10 years of product support for Windows 7 when it was released on October 22, 2009. This 10-year period has now ended, and Microsoft has discontinued Windows 7 support so that we can focus our investment on supporting newer technologies and great new experiences.

Get started with news and interests, choose how weather looks on your taskbar, turn it on and off, personalize your feed and choose interests and followed publishers.

How to create, edit, and run Excel macros to automate data entry and tasks.

Sign in to account.microsoft.com, then select Order History on your Rewards page.

Get info on how to find your IP address in Windows. Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Find out how to change your Xbox gamertag through a browser, on your Xbox console, or your Windows device.