The Startup folder in Windows 10/11 is a system folder where you can add program shortcuts to make them start with Windows 10/11. In other words, by adding a program’s shortcut to the Startup folder, you can force it to load with Windows 10/11. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.