Make sure to give the installation instructions a read.
Check the free foundation videos on how to get started building Umbraco sites. They're available from:
You'll find our über active community working hard to help each other at Our Umbraco: https://our.umbraco.com
Make sure to read the upgrade instructions before you attempt an upgrade.
We're happy to help you with any problems you encounter, so please report them in the issue tracker and mention you're using version 14.3.1. Do a search first though, if the issue already exists, give it a "thumbs up".
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There is a newer version available - v15.1.1
dotnet new -i Umbraco.Templates::14.3.1 dotnet new umbraco -n "MyProject" dotnet run --project "MyProject"
Security Patch.
