Windows 10 build 18363.387, according to the company, is an update package that addresses issues when trying to uninstall the 19H2 update. Other than those fixes, there’s nothing new with this update. You can check all the new features and improvements that Microsoft is planning to roll out in coming days in this guide. All content on this site is provided with no warranties, express or implied. Use any information at your own risk. Always backup of your device and files before making any changes. Privacy policy info.