Windows 11 has a new free Windows HDR Calibration app that will quickly allow you to tweak your HDR display to make it look its best. Here's how to use it.

Microsoft Edge offers a free built-in VPN powered by Cloudflare. Learn how to get free VPN on the Microsoft Edge browser in Windows 11.

Excel and Google Sheets have three functions to calculate the internal rate of return: IRR, XIRR, and MIRR. Learn how these functions can calculate investment returns.

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