TL;DR: Upgrade to Windows 11 Pro for $19.97 reg. $199. Sale ends January 12 at 11:59 p.m. PT. There’s a lot to love about Microsoft’s recently updated operating system . Besides enhanced security features and a more user friendly interface, it incorporates AI to make it a modern powerhouse. Its new AI assistant, Copilot, uses a custom version of GPT 4 called GPT 4 Turbo to help you automate tasks and processes. It’s like getting the paid version of ChatGPT built into your OS....