If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product.

Find out how to stop your screen from flickering after the upgrade to Windows 10.

Get a brief explanation about logging on as an administrator and making changes to other user accounts on your computer.

Learn how to change the refresh rate for your display in Windows to determine how smoothly motion appears on your screen.

Tips: Selecteer bij het aanmelden Ja bij de prompt Aangemeld blijven? als je de volgende keer rechtstreeks naar je postvak wilt gaan (niet aanbevolen voor gedeelde computers). Je kunt ook het selectievakje Dit niet meer weergeven inschakelen en Nee selecteren om elke keer om je wachtwoord te worden gevraagd.. Als je je niet kunt aanmelden of je gebruikersnaam of wachtwoord bent vergeten ...

Learn how to install Windows 7 Service Pack 1 (SP1). Includes info about how to get the download, requirements, and more.

You can use the Inbox Repair tool (SCANPST.EXE) to diagnose and repair errors in your Outlook data file. The Inbox Repair tool checks the Outlook data files on your computer to see if they're in good shape.

Get an overview of SharePoint. Learn about sites, lists and libraries, permissions, content types and workflows. In addition, read about some of the social features in SharePoint.

You can upgrade from Windows 10 to Windows 11 if your device meets hardware specifications, and if the Windows 11 release has been made available to your device.

Learn how to use digital signatures, digital IDs, and signature lines in Microsoft 365 files, such as Word, Excel, and PowerPoint.