Important: If your device is out of support, it is no longer receiving security updates from Microsoft and may become more vulnerable to security risks and viruses.For this reason, we strongly recommend that you update to the latest version of Windows. Each version of Windows is supported for 18 months.

Set a shorter duration for an active display. Select Start > Settings > System > Power & battery > Screen and sleep.For On battery power, turn off my screen after, pick a shorter duration. Open Power & sleep settings. Reduce your display’s brightness. Select Start > Settings > System > Display > Brightness .Clear the Change brightness automatically when lighting changes or the Help improve ...

Important: If you're unable to insert a form, make sure your web add-ins aren't disabled.In PowerPoint, select Files > Options > Trust Center > Trust Center Settings.In the Trust Center dialog box, choose Trusted Add-in Catalogs.Under Use these settings to manage your web add-in catalogs, uncheck both, Don't allow any web add-ins to start and Don't allow web add-ins from the Office Store to start.

An administrator might have customized the settings for your Temporary Internet Files folder to prevent you from changing the settings. For example, the administrator can remove the General tab from the interface in the Internet Options dialog box. If you cannot access the Internet Options dialog box or the General tab, contact your administrator for more information.

Windows provides the following privacy settings to give you control over your privacy. Advertising ID. Windows generates a unique advertising ID for each user on a device, which app developers and advertising networks can then use for their own purposes, including providing more relevant advertising in apps.

Forward all messages to another account in new Outlook. Messages that are forwarded will appear to be forwarded from you. When someone replies to a message that has been forwarded, the reply will be sent to the address the message was forwarded from, not to the original sender.

How to determine what is causing the problem after you do a clean boot. If your problem does not occur while the computer is in a clean boot environment, then you can determine which startup application or service is causing the problem by systematically turning them on or off and restarting the computer.

Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.

The sign-in options in Windows serve various purposes to enhance your user account security and sign in convenience. You can access the sign-in options from the Settings app.

=RAND()*(b-a)+a. If you want to use RAND to generate a random number but don't want the numbers to change every time the cell is calculated, you can enter =RAND() in the formula bar, and then press F9 to change the formula to a random number. The formula will calculate and leave you with just a value.