Download Backup and Sync and sign in with your Google account. Then upload your files from your old computer and SD cards to safely store them in Google Drive. You can also back up your files to an external hard drive which you can later connect to your Chromebook.
Upload your photos to Google Photos so you can instantly access them from your phone, tablet and Chromebook. Click the "Upload newly added photos and videos to Google Photos" option during Backup and Sync setup.
Add your favorite music collections to Music Manager, so you can enjoy them on Google Play Music.
Sign in to your new Chromebook
Make sure you’re using the same Google account that you used in Steps 1 and 2. You should find all your files ready and waiting when you open Google Drive. If you used an external hard drive, connect it to your Chromebook.