Knowing how to accept a job offer is key. Thank the recruiter, review the offer and follow up with questions and a counter offer before accepting the offer.The first step of the process is to write a reply letter (or email, if that's how your offer was sent) to ask for your desired salary. Renegotiating an already negotiated offer is not a very good idea. It shows you are not firm on your resolve. Simply say thank you for the offer, but that you need some time to think about it. You've landed the job, but now you're wondering how to respond or write an acceptance letter. Here's a guide on how to accept a job offer.