2008 Sp1 Redistributable Package %28x64%29 ((new)) — Microsoft Visual C

It is crucial to distinguish between them:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\8220EEFE-38CD-377E-8595-03C3E30E6499

Designed for modern 64-bit Windows environments. Compatibility: Essential for running 64-bit applications.