1. Visit: https://www.microsoft.com/en-us/download/details.aspx?DisplayLang=en&FamilyID=8b4d3e6-9837-40da-a71f-b9c0faa8df00

2. Click on the correct download link based on your environment (32-bit or 64-bit) and SQL Server version.

Alternatively, you can also search for 'AdventureWorks sample database' in a popular search engine like Google to find the latest available versions of this sample database.

Once downloaded, extract the zip file (for non-Express editions), then attach the .mdf files as required by following these steps:

1. Open SQL Server Management Studio and connect to your desired instance.

2. Click on 'File' -> 'Attach' in Object Explorer or right-click on 'Databases'.

3. Browse for the location where you extracted the sample database files (usually My Documents\AdventureWorks2012).

4. Select all .mdocs and click Next, then Finish.

That's it! You now have a fully functional AdventureWorks sample database up and running in your local development environment or production server depending upon how you configured during installation process Larson

Adventureworks database 2012 mdf