Claude
How to Sign Up for Claude with Your Google Account in 5 Minutes — Plus Login Troubleshooting
Step-by-step instructions for signing up for Claude with a Google account across three paths: Web, iOS, and Android. Covers the 2-click registration flow, best practices for separating personal Gmail from work Workspace accounts, and the four most common login failure causes (already registered with a different account / OAuth blocked by admin / age restriction / unsupported region).