You can purchase apps or get free apps from Windows Store.
If a local account is being used, a window to switch to a Microsoft account appears while using Windows Store. Follow the instructions on the screen to switch the local account to a Microsoft account.
You can also do so by selecting [Start menu] > [Account] > [Change Account Settings].
If you switch to a Microsoft account, your PC settings (background, user settings, etc.) may be changed to the previous settings.
Press the Start button [
] to move to the Start menu and select the [Microsoft Store] tile.
Press
the [
] key or [Ctrl] + [Esc] on the keyboard to display the Start
menu.
Select the app or use the search function on the store screen to install the desired app.