Here's what it takes to upgrade to Windows 10 on your PC or tablet: Latest OS: Make sure you're running the latest version—either Windows 7 SP1 or Windows 8.1 Update. Find out which version you're running.

Add or subtract days from a date. Suppose that a bill of yours is due on the second Friday of each month. You want to transfer funds to your checking account so that those funds arrive 15 calendar days before that date, so you'll subtract 15 days from the due date.

Find out how to access and modify cellular settings on your Windows PC with this official guide from Microsoft Support.

Share your calendar in an email. If you don't want to give someone permissions to share your calendar and see updates, you can email a static copy of your calendar for a specific date range.

Training: Watch and learn how to create a PowerPoint presentation, add/format text, and add pictures, shapes, and/or charts.

Find out how the Windows location service works and how to change the location privacy settings.

Learn how to use Azure Authenticator with Microsoft 365. It makes 2-step verification really easy!

How to freeze panes in Excel to keep rows or columns in your worksheet visible while you scroll, or lock them in place to create multiple worksheet areas.

To zip (compress) files. In the search box on the taskbar, type file explorer, and then select it from the list of results.Right-click the file you want to zip, and then select Send to > Compressed (zipped) folder.. To decompress files. Open File Explorer and find the compressed folder.

Discusses the release of the Malicious Software Removal Tool (MSRT) to help remove specific prevalent malicious software from Windows-based computers.