As a retired product, official public download links for the are no longer available on the standard Microsoft site. You can still access the installer through the following official or archived channels: Visual Studio 2010 - Microsoft Lifecycle
If you cannot find a clean ISO or your product key is lost, consider these alternatives before resorting to risky downloads: microsoft visual studio 2010 ultimate iso download
Because Visual Studio 2010 is an older product, Microsoft no longer hosts the direct ISO on its main public-facing download pages. You can find it through the following methods: Official Subscription (Recommended) : If you have an active Visual Studio (MSDN) Subscription , you can log in to My.VisualStudio.com As a retired product, official public download links