You can find all of the Lightroom tutorials from Adobe at this link. Make sure you're logged into your creative Cloud account and have Lightroom open.
When you add photos to Adobe Photoshop Lightroom, they sync to the cloud so you can access them across your devices. Lightroom automatically finds objects in your images, so you can type words — such as “water,” “flowers,” or “boots” — to find what you’re looking for when you search on desktop, mobile, and web