Find and purchase a decent microphone. For example, for a budding new voice artist some popular microphones include:
Find and purchase a way to connect that to your computer. Could be a just USB cable, could be an audio interface, Some popular audio interfaces include
Find and purchase a DAW. This could be the free Audacity, it could be
Audacity – this is free, but more difficult to use productively, in my opinion.
Learn how to use the equipment. Learn how to use your DAW. Figure it out, ask questions, seek advice. Search: VST, Compression, Limiting, Gating, dB, ACX Recording guide.
Treat your recording space to sound acoustically dead, and free from outside noise.
Now that the “tech” part is handled, start on your body of work. You need to read, record, and critique yourself every. damn. day.
Read, record, and critique yourself. Ask strangers if your recordings suck. Visit the RecordThis Subreddit to get feedback on your recordings**
Seriously, repeat step 7. Find a coach if needed.
Are your recordings clean, crisp, well acted, convincing? No? See Step 7.
In your DAW cut up the best parts of your recordings into a 1 MINUTE DEMO that shows your acting ability, vocal range, etc. Don’t have 1 minute of good work? See Step 7
Search for talent agents in your city, request a meeting and share your demo. They may hire you, they may send you away to get better, then may offer advice. They may ignore you, if they do take it as a sign that you are not good enough, yet. See Step 7
Create account on Voices.com or other site. Audition for everything you possibly can. Expect to audition at least 100 times before you get a job. See Step 7.
Create an account on ACX.com. Audition for everything you possibly can, Expect to audition a lot before you get a job. See Step 7.
??? (See Step 7)
Profit.