How to get this offer:
1.
Click here to go to the OneDrive promotion
2. Click the "Verify and get my storage" button
3. Sign into your Microsoft account, or create a new account
here
4. Click the "Save to Dropbox" button to add a small OneDrive document to your Dropbox
5. Sign into your Dropbox account, or create a new account
here
6. Click the "Save" button
7. You should see a message of "Your bonus storage was successfully applied!"