Most major streaming services have the full tracklist available as a curated playlist or a digital album. This is the fastest way to "download" the music for offline listening if you have a subscription.
Searching for a specific ".rar" file linked to a commercial music compilation like often leads to sites that may host unauthorized content or malware.
: You get high-quality audio, a collector's booklet, and a physical backup of the music without the risk of viruses. 2. Stream the Compilation Digitally