To replace a front wheel stud, the hub must be separated from the knuckle. Acura recommends a new wheel bearing when the two are disassembled. You also need a new axle nut. If you are not careful re the ball joint, you could damage the boot. The boot uses a C-clip. You need to use a press to separate the hub/knuckle, and more importantly, to reinstall the new wheel bearing.
In answer to how to proceed: On this site is a HELM Service Manual from which you may download the applicable page. If you wish to perform your own DIY repairs, you need to become very familiar with the online version, or better yet, buy a papercopy of the HELM from www.helminc.com