Here is an overview of everything you need to know to vote from abroad: 

1. Registering to vote and requesting your ballot
2. Confirming your request has been accepted
3. Receiving your ballot
4. Oct 1 and the ballot hasn’t arrived. 
5. Voting your ballot
6. Returning your ballot
7. Checking twice to prevent mistakes
8. Confirming your ballot's arrival
9. What to do if you encounter difficulties