When to use join, register, or sign up?

2 Answers

1. Join is when it's a club. You join a rowing club.
2. Register is used when you are simply adding your details to some system for future use or access. You register to vote.
3. Sign up usually has the connotation of a service or conference. You sign up for the military, or sign up for this conference.

1. What's the difference between register and sign up?
2. What is the difference between registering and signing in?
3. What is the difference between registration and subscription?

What's the difference between register and sign up?

To register is far more formal and is often used in connection with official or governmental things like 'to register to vote' or 'to register with the local authorities'. To sign up is more informal and has an element of freedom to it. It means more 'to join'.

What is the difference between registering and signing in?

Registering for something sometimes involves paying money, while signing in or logging in to something usually does not require a payment.

What is the difference between registration and subscription?

Registered access does not expire and a reader will not be prompted to re-register as their browser will remember that they already have. Subscription is a security feature that requires users to pay for access to digital publications before they can read it.