To get started, simply tap the Chat icon in the Windows 11 task bar to sign in with your Microsoft account. Microsoft Teams (free) comes pre-installed in Windows 11. Even if you use the same Microsoft account both for the legacy and new versions of Teams, these are two separate tenants, and will not share any data. The account you use to sign in to the legacy Microsoft Teams Free (classic) app can be used to sign in to the new Microsoft Teams (free) app.
It’s easy to get started with the new Teams (free) app. How to get started with Microsoft Teams (free) Upgrade to a paid subscription using these instructions or follow the guide below to switch over to Microsoft Teams (free). After April 12, 2023, Microsoft Teams Free (classic), the legacy free Teams app for business, will no longer be available.