Visual Studio For Mac Cannot Sign In
Visual Studio 2017 for Mac version 7.8 Preview 3 (7.7.0.1607) released February 6, 2019. We fixed an issue where custom key bindings for Remove Unused and Sort (Usings) don't.
-->Signing in to Visual Studio for Mac is how you activate your subscription. When you download Visual Studio for Mac, you'll always get the Community edition by default. If you have a Professional or Enterprise license, you should sign-in on first run to unlock any additional features. In addition you'll also get the following:
Access to the Visual Studio Dev Essentials program – This program includes free software offerings, training, support, and more. See Visual Studio Dev Essentials for more information.
Automatically connect to Azure in the IDE without prompting again for credentials for the same account.
When you launch Visual Studio for Mac for the first time, you're prompted to log in using a Microsoft account. Use a Microsoft account that is connected to the license that you wish to use. If you do not have a Microsoft account, see How do I sign up for an account.
If you do decide not to log in straight away, you'll be able to use an evaluation copy for 30 days. After 30 days you must log in to continue using your copy of Visual Studio for Mac.
World Cup Games: Choose a soccer team, customize your squad, and win a gold trophy in one of our many free, online World Cup games! Pick One of Our Free World Cup Games, and Have Fun. Play free world cup games online and shoot a precise penalty or try to throw a ball into a basket. Select your athlete and create a perfect team which you will lead to victory. Give the ball the right direction, set the power and a nice curve to score a goal. Shoot right towards the goalkeeper and try to score perfect shots to earn lots of points. 
How to sign in to Visual Studio for Mac
Tip
Make sure that you're connected to the internet before signing in to Visual Studio for Mac. > Subscriptions can only be activated online. If you're not connected, choose 'I'll do this later' and log in through the menu when you get connected.
To sign in to Visual Studio for Mac on first launch, do the following steps:
Click the Sign in with Microsoft button on the sign-in window:
Enter your Microsoft Credentials:
After you've logged in, you'll see an option to select keyboard shortcuts. Pick the option you wish to use and Continue. You'll then be prompted with the Visual Studio 2019 for Mac start window. From here, you can open or create a new project:
Alternatively, you can use the Visual Studio > Sign in… menu item to sign in and out at any time.
Adding multiple user accounts
Visual Studio for Mac supports adding multiple accounts to your personalization account. These additional accounts will allow you to access resources, such as Azure, from any added account.
To add additional user accounts, choose the Visual Studio > Account.. menu from Visual Studio for Mac. Click the Add.. Creative sound blaster x fi titanium drivers for mac. button to enter additional account credentials.
View or change your profile information
Go to Visual Studio > Account… and select the My profile button.
In the browser window, choose Edit profile and change the settings that you want.
When you're done, choose Save changes.