Windows 11 comes integrated with advertising. Microsoft assigns a unique identifier to track your activity in the Microsoft Store and on UWP apps to target you with relavant ads

Tips and Suggestions Notifications on your Windows device for a more focused computing experience

Windows won't be able to help you keep track of your device if you lose it.

Send only info about your device, its settings and capabilities, and whether it is performing properly. Diagnostic data is used to help keep Windows secure and up to date, troubleshoot problems, and make product improvements

Help Microsoft improve your Windows experience and fix problems more quickly by sending us additional diagnostic data. This includes data about websites you browse, how you use apps and features, and enhanced error reporting.

You can customize your lock screen. Try changing the background to a favorite photo or slide show. You can also choose quick status notifications to show you upcoming calendar events, social network updates, or other app and system notifications.

If your PC is experiencing slowdowns or inexplicable crashes, then you should make it your priority to diagnose what’s causing those problems. You can configure Windows so that you receive verbose startup, shutdown, logon, and logoff status messages. Verbose status messages may be helpful when you're troubleshooting slow startup, shutdown, logon, or logoff behavior.

When you create a new account in Windows, it comes up with options related to privacy. For example, you will see the option to enable or disable Speech recognition, Location service, Find my device, Inking & typing, and so on.

The Windows 11 Start menu comes with a default Bing search engine. It shows up when you use Windows Search or open the Start menu. For local searches, it doesn't work well and slows down the search experience.

Visual effects are the visual bells and whistles for the appearance of Windows for your account. These visual bells and whistles can affect the performance of Windows on the PC though. This will turn off all visual effects under My computer > Properties > Advanced > Settings > and set to "Adjust for best performance".

The built-in Game DVR feature helps you record your gameplay, capture screenshots, and share them online. But it can interfere with your game’s performance, too. Background recording requires some of your GPU power, and some gamers will want all the GPU power they can get. If you experience low FPS or FPS loss after upgrading to Windows 11, you may resolve the issue by disabling the Xbox DVR feature.

With the Windows 10 Fall Creators Update, Microsoft’s OS has added feature called Power Throttling Power Throttling is only available on Intel 6th gen and higher processors), a way to increase the battery life of laptops by slowing down background processes. This feature is enabled by default in laptops and tablets. Though Windows is good at detecting background apps and limiting power, there might be situations where this feature is not so desirable.