You can use these two methods to open Windows Features: How to do this job? How to Open Windows Features? No matter which situation you are facing, you just need to turn Windows features on or off based on your own requirements. Or perhaps, the Windows feature you want to use is turned off and you need to turn it on. If you don’t need to use that Windows feature, you can just turn off that feature to kill the error. Sometimes, you may find that there are some errors. Windows is always equipped with many features. Turn Windows Features on or off Blank or Empty Why Do You Need to Use Windows Features? If Windows features blank appears, do you know how to fix it? MiniTool Solution will show you some available solutions. But, at times, you may find that turn Windows features on or off blank. If you want to turn on or off some Windows features, you can type optionalfeatures.exe in the search box to open Windows Features and then make a selection.