Download and Install Continue from the marketplace https://continue.dev/
Download and Install the AIVA Login Plugin from the marketplace https://marketplace.visualstudio.com/items?itemName=aiui.aivaloginplugin
Go To VSCode Settings -> Extension -> AIVA Login Plugin and add the Aiva_backend_url and potentially Cloudflare Cookies. Usually the backend URL ends with /api (e.g. https://your_domain.ai-ui.ai/api)
After the installation of Continue and the Login plugin, just use cmd/ctrl + shift + P and search for "Login to AIVA Code Assistant".
Enter your credentials and choose a model in Continue