If you have multiple Windows 10 devices, you’ll need to make sure that the device you intend to use offline is set as the designated offline device. You can only have one device as your designated offline device.

To set your device as your designated offline device:

1. Make sure that you’re online.
2. Check that your device has the latest Windows updates: Go to Start > Settings > Update & security > Windows Update and see if any relevant updates are available.
3. Open the Store. You’ll be prompted to sign in if you haven’t already.
4. Select the Me icon (this is your profile picture).
5. Select Settings, and then under Offline Permissions, make sure that the toggle is set to On.

Once you set this, any devices previously designated as offline will be toggled to Off, and you’ll no longer be able to play games offline on those devices.

Prepare your game or games

Once your device is set up, you’ll need to launch each game you want to play offline while signed in to Xbox Live. You only need to do this once per game, and you’ll need to do this even if you’ve already launched the game on your device.

1. Make sure that you’re online, and that your device is set as your designated offline device. (See the steps above for details on how to do this.)
2. Launch the game you want to play offline. When prompted, sign in to Xbox Live with your account.
3. Once you’ve started playing the game, you can exit at any time.

Repeat this process for each game you want to play offline. Once completed, you can go offline at any time and launch those games whenever you want to play them, without needing to sign in online each time.