The only way to refresh without losing your apps is to perform a repair upgrade:
How to: perform a repair upgrade using the Windows 10 ISO file
https://answers.microsoft.com/en-us/windows/for...
If your Windows 10 installation is demonstrating unusual behavior such as built in apps not working or launching, you can perform a repair upgrade to fix the problem. A repair upgrade is the process of installing Windows 10 over the existing installation of Windows 10 on your hard disk, using your installation DVD or ISO file. Performing this can repair broken operating system files while preserving your personal files, settings and installed applications.