The desktop app is available for Windows 10+, OS X 10.13 +, and Linux (beta).
The Core desktop app is available for download here.
Updates happen automatically. Occasionally, you may experience a short delay upon opening the app as it updates. Once it's complete your app will run normally again.
Go to Add or Remove Programs and choose Uninstall for the Paperspace app.
Go to your Applications folder and drag the Paperspace icon to the Trash.
Go to your Terminal and run
chmod +x Downloads/PaperspaceInstaller-220.127.116.11 to make it executable and then double-click on it.