If you want to install the theme in windows 10 from the store, then you just need to download them from the windows store. Find themes in the store is not very easy, but they are available through a link in the application settings. When you click on the link you can choose a lot of high-quality and proven themes in the windows store.
Desktop theme — includes settings for the background image, a taskbar, a color bar, as well as system sounds and mouse pointers. You do not have to search for themes with automatic installation on the Internet, because in windows 10 this procedure is done through a store, which in turn checks all files, games and applications for security.
How to install the theme in windows 10 from the store
To download and install the theme in windows 10 from the store, you need to click Settings> Personalization> Themes and on the right select> Get more themes in the Store.
Next, you will transfer to the windows store store. Choose a theme you like there and install it. In order to download from the Windows store, you need to be logged in with a microsoft account. (Create an account on the site microsoft).
After downloading several or one topics, you need to do the following steps. Open Settings> Personalization> Themes and set the theme you downloaded.
Note: If you change the settings in the windows theme, do not forget to click Save Theme.