Tailor your application without changing your story
Read the job description and identify the responsibilities, skills and evidence the employer is asking for. Compare that list with your actual background.
Bring the most relevant experience towards the top of your CV. Use the employer’s terminology where it accurately describes your work. A keyword match is a useful prompt, not a reason to claim a skill you do not have.
Write a cover letter that explains your interest in this particular role and supports it with one or two truthful examples. Personalise any bracketed prompts in a generated draft.
After submitting on the official application website, update your tracker. Keep the exact CV version you used and a note of the application date so you can prepare consistently for an interview.