If you download an add-in or if a co-worker or friend sends you an add-in, you can save it to your computer and then install the add-in by adding it to the My Add-Ins list. Click File > Get Add-ins. Alternatively, you can click Home > Add-ins.

Activate Windows using a product key. A product key is a 25-character code, that looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. During installation, you'll be prompted to enter a product key. Or, after installation, to enter the product key, select the Start button, and then select Settings > System > Activation > Update product ...

However, we recommend that you use the web installer to install this update if you are connected to the Internet. The .NET Framework 4.5.1 (Offline Installer) package is larger than the .NET Framework 4.5.1 (Web Installer) package. The .NET Framework 4.5.1 Language Pack contains localized resources for supported languages.

From the Overview page, select Office apps and on that page, find the Microsoft 365 product you want to install and select Install. To install Microsoft 365 in a different language, or to install the 64-bit version, use the dropdown to find more options. Choose the language and bit version you want, and then select Install.

The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are critical to maintaining the state of the updated component.

Windows Installer uses Software Restriction Policies to verify the signatures of signed .msi package files and signed .msp package files. Windows Installer does this to make sure that the files were not tampered with before they are installed on the computer.

Windows Server is the operating system that bridges on-premises environments with Azure services enabling hybrid scenarios and maximizing existing investments, including: Unique hybrid capabilities with Azure to extend your datacenter and maximize investments. Advanced multi-layer security to help you elevate your security posture.

To find a specific download, sign in to the Order history page with the Microsoft account you used to make the purchase. Find the software, and then select Product key/Install. Note: If you're having problems installing an app from the Microsoft Store, see Fix problems with apps from Microsoft Store. If you're looking for download and ...

To view the Windows Update Standalone Installer event log, follow these steps: Click Start , type event viewer in the Start Search box, and then click Event Viewer in the Programs list. In Windows 8 and Windows Server 2012, on the Start screen, type event viewer, click Settings , and then click View event logs under Settings .

Select My add-ins. In the Custom Addins section, select Add a custom add-in, then choose Add from file. Note: The Add from URL option is no longer available to install a custom Outlook add-in. As a workaround, open the URL in your preferred browser to download the add-in file, then use the Add from File option to install it. Select the XML file ...