Start with applicant eligibility.
Code signing begins with a verified publisher identity. OV and EV differ primarily in verification requirements. The issuing authority determines which applicant types and countries qualify for each product.
Choose a compatible signing method.
Validation level alone does not determine how signing will fit into a release workflow. Compare supported cloud clients, physical tokens and HSM methods, then check authentication requirements.
Avoid assumptions about warnings.
A signed file allows publisher and integrity checks. It does not guarantee that Microsoft SmartScreen or other platforms will remove every warning. Reputation and other signals also matter.
Your selection checklist.
- Applicant type, registered identity and country
- Organization verification requirements
- Compatible signing tools and protected key storage
- Interactive or automated authorization needs