joining with SSO on pc app

Hello @lovepreet01 

Please see the following article and see if the instructions assist: https://support.zoom.us/hc/en-us/articles/201800126-Signing-in-with-SSO-  

Zoom web portal

1. Go to your Zoom vanity URL; for example, https://company.zoom.us. 
2. Click Sign in. 
   You will be redirected to your single sign-on provider to sign in. After signing in, you will be redirected back to the Zoom web portal.

Zoom desktop client

1. Click Sign In with SSO.
2. Enter your company domain. Contact your Zoom admin to obtain your company's domain.
   If you don't know your company domain, tap I don't know the company domain, then enter your email address.
3. Click Continue.
   You will be redirected to your single sign-on provider to sign in. After signing in, you will be redirected back to the Zoom Desktop Client.

I hope this helps and please make sure to mark the solution as accepted if this information is what you needed.