Hi, welcome and thank you for your question. My name is ***** ***** I am glad to assist you today.
I am very sorry about your issues. If you did not create a NEW user account when you upgrade, then the documents and pictures are stored in their default location. Please click on the folder icon at the bottom or task bar to open an Explorer window.
In the left panel, there you shall see the names of your system folders like Documents or Pictures.Please let me know your results by replying to me here so that I can help you further.