How to - Access Microsoft Teams on the Web
Open Google Chrome or another web browser.
In your browser go to http://portal.office.com
If you have not used this web page before then you will need to sign it. Enter your Lanes email address and click Next.
Click Work or School account.
You should then be automatically logged in to your Office account. You may receive some welcome pop-up messages, just close out of these.
The Office 365 Homepage will look something like this.
To get to Teams, click the Teams icon.
This will open a new Window where you will be asked if you want to Join on the Web or download the app. In this case you will click Join on the Web.
For more information on joining calls, click this link.
https://support.office.com/en-us/article/join-a-teams-meeting-078e9868-f1aa-4414-8bb9-ee88e9236ee4