As of now windows has released September build update 1809. I want to tell you about the problem with this update. There is no major problem though. If you are having Windows.old folder and in that folder if there is some useful data or anything which you have not taken back from windows.old folder just copy your data some where else. because as you update to build 1809 your windows.old folder will permanently deleted without asking. I have may photos,videos and important document in Windows.old folder in desktop, all those thing is gone. So, if you forgotten to copy important files from windows.old and updating to 1809 you are going to loose your data. but don't worry about data in documents folder or in root directory, after updating to 1809 you will have another windows.old folder but this folder is for data which is there on desktop, documents ...etc. before the update. And also this build has one amazing thing now you have dark themed File explorer. And there is