Access the Advanced Startup Options Menu.Uninstall and Restore the Built-in Apps.Disable Personalized Ads on Microsoft Sites and Apps.Fix a Slow-Opening Windows Downloads Folder.Stop Windows Update from Automatically Restarting Your PC.Also, find out how to fix serious problems by booting into your BIOS, running older programs in compatibility mode or even rotating your screen. Learn how to prevent the operating system from restarting to update without your permission, speed up a slow-opening Downloads folder or disable personalized ads. We love Windows 10, but like a close relative, sometimes it can overstep boundaries and get on your nerves. How to Pin a Website to Windows 10's Start Menu.Save the Spotlight Lock Screen Pictures.Change Your Desktop Background in Windows 10.Turn off Notification and System Sounds.Make Windows 10 Look and Feel Like Windows 7.Change the theme, adjust the icon size, or turn the new OS into a dead ringer for Windows 7. Tweak the Windows UI so it looks and feels just the way you like it.