Upgrade Windows Home to Windows Pro - Microsoft Support
Learn how to upgrade from Windows 10 Home to Windows 10 Pro or Windows 11 Home to Windows 11 Pro, including how to use a valid product key or the Microsoft Store.
Use a proxy server in Windows - Microsoft Support
Learn how to set up a connection to a proxy server on your Windows PC.
What's new in Office 2021 - Microsoft Support
Discover the latest features in Office 2021, including new ways to create content, manage data, and communicate effectively.
Applies To:
Office 2021, Office 2021 for Mac
Automatically fix Windows security issues - Microsoft Support
Troubleshoots and fixes common issues with security and malware prevention in Windows.
Windows 10 update history - Microsoft Support
Learn more about updates for Windows 10, version 20H2 , including improvement and fixes, any known issues, and how to get the update.
Troubleshoot problems with your Microsoft mouse or keyboard
We'll describe three connection types for keyboards and mice. Follow the description that applies to your mouse or keyboard’s connection type.
Install Office updates - Microsoft Support
Learn how to update Microsoft Office on PC and troubleshooting tips for installing Office updates.
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, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, InfoPath 2013, InfoPath Filler 2013
Help in Disk Management - Microsoft Support
Disk Management in Windows helps you perform advanced storage tasks like initializing a new drive and extending or shrinking volumes.
How to update Windows Security - Microsoft Support
Windows Update downloads updates for Windows Security automatically to help keep your device safe and protect it from attacks.
Change your keyboard layout - Microsoft Support
Learn how to customize your keyboard for a specific language or format to control which characters appear on the screen when you press the keys.