Microsoft call all of their products 'Copilot'. This short video will help clarify the differences and will get you started on the free version inside Microsoft Edge

Managing your files has never been easier with Microsoft 365 Copilot Chat. Whether you’re uploading important documents or searching for that elusive file, Copilot Chat streamlines the process.

Start by selecting a column of dates. Click conditional formatting. Highlight Cell Rules. Click A Date Occurring. Now choose your Date Occurring and Format Colour.