Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features.

Windows 11, version 23H2 ; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)

To find touchpad devices, select Human Interface Devices or Mice and other pointing devices, then right-click the device you'd like to update.

Training: Sign in to office.com with your Microsoft personal, work, or school account. Watch this video to learn how.

Notes: If you don't see Go to Microsoft Store on the Activation page, contact your organization's support person.. If you made a substantial hardware changes to your device (such as replacing the motherboard) and you have a valid product key, try to activate Windows by phone.

Tip: If you want to bypass File > Open and always use the Open dialog box, do this: Select File > Options > Save, and then select the Don’t show the Backstage when opening or saving files check box. Then, close and reopen any open Office applications. Note that this change only affects what you see when you press CTRL+O to access the Open Files dialog box.

Activate by using the telephone You can telephone an Activation Center using the numbers for your specific country/region listed in this article to activate your product with the help of a customer service representative.. Telephone activation might take longer than activation through the Internet. You should be at your computer when you call, and you should have your software Product Key ...

Receive photos, videos, or other kinds of files that you or a friend shares from another device, such as a phone, laptop, or tablet. On your PC, select Start > Settings > Devices > Bluetooth & other devices. Learn how to pair.

If you reference a Checkbox cell with a formula, TRUE or FALSE will be passed along to that formula. For example, if you have a Checkbox in cell A1, you can use a formula like =IF(A1, "Checked", "Unchecked") to display a custom message based on the Checkbox's state.

Check the placement of the wireless USB dongle. The wireless USB dongle should be plugged into a USB port that allows for the best reception and minimizes the distance between the wireless USB dongle and the keyboard or mouse.