Visual Studio Community 2017 needs a license renewal every ~30 days with a Microsoft account: [WayBack] Visual Studio Community 2017 is a 30 day trial? – Stack Overflow.
This means it is not a trial, but it does not a Microsoft account, and communicate with it every ~30 days which you can get at [WayBack] Microsoft account | Sign In or Create Your Account Today.
Messages you can get:
- “We could not download a license. Please check your network connection or proxy settings” – meaning: sign in with a Microsoft account by clicking “Add an account…”
- “We could not download a license, Please ensure your accounts are authenticated.” – meaning you have to click “Reenter your credentials”
–jeroen