The Free version is for perpetual use, while the trial period for Small and Medium Enterprise (SME) and Enterprise versions have a trial period of 30 days from the order being placed.
You can click on the Vital CRM website at https://www.gsscloud.com/en/vital-crm and apply for an account trial by selecting "Pricing Plan" in the upper right corner. 
* Reference:
1. How do I check the expiry date or usage period left of my Vital CRM system?
2. How can I buy online/apply trial for Vital Cloud Family Service Products?
來源連結：
https://vital-faq.azurewebsites.net/NetZero/4346
The Free version is for perpetual use, while the trial period for Small and Medium Enterprise (SME) and Enterprise versions have a trial period of 30 days from the order being placed.