Use your ORCID when prompted in processes such as manuscript submission, grant proposals and reporting (e.g. eRA Commons).
Link your ORCID id in other services, including ResearcherID, figshare, and your professional organizations (include it in your profile).
Include your ORCID on conference posters (generate a QR code, if you like, right from your ORCID record page), to direct people to your works.
Consider including your ORCID on your webpage, in social media accounts, and in your email signature.