Uncheck boxes for non-essential programs like iTunes, Spotify, or Steam.
For a deeper look into hidden startup processes that MSConfig might miss, you can download specialized tools directly from Microsoft. How to customize startup programs on Windows 7? windows 7 startup programs download
Navigate to the Startup tab. Here, you’ll see a list of every application scheduled to run at boot. windows 7 startup programs download
Windows 7 doesn't require a separate download to manage basic startup items. The utility (MSConfig) is your first line of defense. windows 7 startup programs download
Be careful not to disable items from "Microsoft Corporation" or your "Antivirus provider," as these are often critical for system security. 2. Advanced Management: Official Microsoft Downloads