Note: Offers vary by country.Be sure to redeem your rewards points in the same region you signed up in. Do not use a VPN while trying to redeem points. When redeeming points, use a mobile or landline phone number for authentication and not a VoIP phone number.

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 8.1 Update and Windows RT 8.1 Update (also known as KB 2919355) include improvements that make your favorite apps and settings easier to find and use, provide more familiar mouse and keyboard options, and update security and performance.Here’s what you need to know about installing this important update. Check to see if it’s already installed

Microsoft Loop is a transformative co-creation experience that brings together teams, content and tasks across your tools and devices. Loop combines a powerful and flexible canvas with portable components that move freely and stay in sync across applications — enabling teams to think, plan, and create together.

August 22, 2023—KB5029331 (OS Build 19045.3393) Preview August 8, 2023—KB5029244 (OS Builds 19044.3324 and 19045.3324) July 25, 2023—KB5028244 (OS Build 19045.3271) Preview

The COUNTIFS function is similar to the COUNTIF function with one important exception: COUNTIFS lets you apply criteria to cells across multiple ranges and counts the number of times all criteria are met. You can use up to 127 range/criteria pairs with COUNTIFS. The syntax for COUNTIFS is: COUNTIFS(criteria_range1, criteria1, [criteria_range2, criteria2],…)

Edit pictures with the Photos app in Windows. Windows 11 and Windows 10 have an app named Photos, a successor to Picture Manager, that lets you edit photos.For information on how to open and use it, see Edit photos and videos.. Edit a photo you've inserted in an Office document

August 22, 2023—KB5029332 (OS Build 22000.2360) Preview August 8, 2023—KB5029253 (OS Build 22000.2295) July 25, 2023—KB5028245 (OS Build 22000.2245) Preview

Clean up Mailbox. From the Settings > Storage page you should see a breakdown of how much space each folder in your mailbox is taking. Below, you should see a list of the folders represented in the breakdown with the option to permanently delete all items (or those older than 3, 6, or 12 months) in these folders to free up space.

August 22, 2023—KB5029331 (OS Build 19045.3393) Preview; August 8, 2023—KB5029244 (OS Builds 19044.3324 and 19045.3324) July 25, 2023—KB5028244 (OS Build 19045.3271) Preview; July 11, 2023—KB5028166 (OS Builds 19044.3208 and 19045.3208) June 27, 2023—KB5027293 (OS Build 19045.3155) Preview