"itunesol lite 64 12.5.5.zip" appears to be a third-party, "lite" or modified version of the official Apple iTunes 12.5.5 installer for 64-bit Windows.

Without a direct review of the "iTunesOL Lite 64 12.5.5.zip" file, it's challenging to provide a specific assessment. However, the information above should guide you in evaluating whether this software meets your needs and how to approach its installation and use safely.

An independent developer has taken the official Apple installer and stripped out unnecessary background services like Bonjour, Apple Mobile Device Support, or iPod Support to save RAM and CPU.