Your recruiters may directly share a public-access URL with you on Slack or your intranet to help you come onboard with your team on Intrro.
Here is how the hyperlink usually reads:
Click on the link to proceed.
You will then navigate to a page where you can directly join the team and complete the remaining steps as illustrated below where you input your email address. Please remember to use your work email address hosted with your respective company domain, in this case. For example firstname.lastname@example.org
Note that you will also receive a verification email to confirm your address. You will be asked to set up a password at this stage, if not already completed.
You can then proceed to syncing your LinkedIn contact book and mark who you can refer.