Learn how to restore files that have been permanently deleted and are no longer in the recycle bin on Windows 10.

Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

When you’re connected to the internet and using a proxy server while browsing the web, that traffic goes through the proxy server instead of coming directly from your Windows 11 PC.

A wireless network at home lets you get online from more places in your house. This article describes the basic steps for setting up a wireless network and starting to use it.

How to use the FILTER function in Excel to filter a range of data based on criteria you define.

Learn how to reset your PIN if you aren't signed in to Windows and having trouble using your PIN.

Learn how to change Microsoft account email address or phone number using aliases to sign into your Microsoft account.

How to create or edit your Outlook signature for email messages. Include your signature, text, images, electronic business card, and logo.

How to use the IF function in Excel to make logical comparisons between data values.

Learn how to type a letter online using Word for the web. Choose a letter template for online letter writing. Edit, send or print your letter online.