For Microsoft 365 and Office 2021 - Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac. For Office 2019, 2016 or 2013 - Download and install or reinstall Office 2019, Office …

Learn how to prepare your Windows device for a hardware change and find help reactivating Windows after a hardware change is complete.

Learn how to reopen your Microsoft account if you previously closed it.

How do I reactivate Skype Credit? Important: Starting May 5th, the Skype Dial Pad will only be visible to you in Teams if you have an active paid subscription or active Skype Credit. If your Skype Credit is …

Learn how to activate Office that is pre-installed on new Windows 10 PCs or using a new product key.

If you see a notice to buy, renew, or reactivate your Microsoft 365 subscription when you open Word, Excel, or any other Office application, you'll need to take action in order to keep using Office.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

To activate Windows 11 using an internet connection: As Windows 11 will automatically activate if you are connected to the internet, you can confirm your activation status by selecting Start > Settings > …

Archived files can be stored in OneDrive or SharePoint. How can I reactivate or open my OneDrive/SharePoint file again? If your organization is running a policy to automatically archive files, …

Activating Windows See Activate Windows for general info about activation, including how to choose your activation method. See Reactivating Windows after a hardware change for more info about …