Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
Find your Windows product key - Microsoft Support
Generally, if you bought a physical copy of Windows, the product key should be on a label or card inside the box that Windows came in. If Windows came preinstalled on your PC, the product key should appear on a sticker on your device. If you’ve lost or can’t find the product key, contact the manufacturer. To ensure your product key is ...
Applies To: Microsoft account dashboard
Activate Office - Microsoft Support
Select your version of Microsoft 365 below to learn how to activate Microsoft 365. Activate Microsoft 365 or a non-subscription version of Office. Activate Office that's pre-installed on a new Windows device. Activate an Office purchase or offer that's included on a new Windows device. Activate Office from Microsoft Workplace Discount Program.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Microsoft 365 admin, Project for Office 365
Change screen brightness in Windows - Microsoft Support
If you don't have a desktop PC and the slider doesn't appear or work, try updating the display driver. Select Search on the taskbar, type Device Manager, and then select Device Manager from the list of results.In Device Manager, select Display adapters, then select the display adapter.Press and hold (or right-click) the display adapter name, then select Update driver and follow the instructions.
Enable and disable your touchscreen in Windows - Microsoft Support
Select the arrow next to Human Interface Devices and then select HID-compliant touch screen. (There may be more than one listed.) Select the Action tab at the top of the window. Select Disable device or Enable device, and then confirm. If there's more than one HID-compliant touchscreen device listed, perform steps 2–3 for that one too.
Global Customer Service phone numbers - Microsoft Support
21 89 10 70. العربية / Français. Angola +315. 214 154 065 (Activação do Produto) Português. Botswana +27. 61 292 5016 11 3618800. Español. Egypt (مصر) +20. 2 3539 3333. العربية / English. Ivory Coast (Côte d'Ivoire) +225. 20 242490. Français. Ghana +27. 860 22 55 67 20 242490. English. Kenya +254. 20 2868800. English ...
Desktop Themes - Microsoft Support
Get a theme. To get a theme, expand one of the categories below, select a link for the theme, and then select Open. This saves the theme to your PC and puts it on your desktop. If you prefer, some themes can also be installed from the Microsoft Store. Explore themes in the Microsoft Store. Get free Windows themes from Microsoft to personalize ...
VLOOKUP function - Microsoft Support
Argument name. Description. lookup_value (required). The value you want to look up. The value you want to look up must be in the first column of the range of cells you specify in the table_array argument. For example, if table-array spans cells B2:D7, then your lookup_value must be in column B.. Lookup_value can be a value or a reference to a cell.. table_array (required)
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Use System Restore - Microsoft Support
Select the Start button, then type control panel in the search box next to the Start button on the taskbar and select Control Panel (Desktop app) from the results. Search Control Panel for Recovery, and select Recovery > Open System Restore > Next . Choose the restore point related to the problematic app, driver, or update, and then select Next ...
Find your documents in Windows - Microsoft Support
Find your files in Windows 11 using one of these methods. Search from the taskbar: Type the name of a document (or a keyword from it) into the search box on the taskbar. You'll see results for documents across your PC and OneDrive. To filter your search, you can select the Documents tab—and then your search results will only show documents.
Help in Disk Management - Microsoft Support
Shrink a basic volume. Change a drive letter. Troubleshoot Disk Management. To open Disk Management, right-click (or long-press) the Start button and select Disk Management. If you need help freeing up space on your PC, see Disk cleanup in Windows or Free up drive space in Windows. Disk Management in Windows helps you perform advanced storage ...