Rather than risking malware with unofficial "free download" sites, you have several reliable ways to use the dictionary on your computer:
Official apps published by Cambridge University Press often offer a free preview or a limited trial period (e.g., 2 days) to test all premium features before subscribing.
If you prefer a permanent offline copy for your PC, the best way is to purchase the official physical edition that comes with a CD-ROM or digital access code. Cambridge Advanced Learner's Dictionary 4th Edition Rather than risking malware with unofficial "free download"
The 4th Edition was specifically designed to help learners reach fluency (CEFR levels B2–C2) with several advanced tools:
The official source for the latest edition, available in paperback or with digital access. Amazon - CALD 4th Edition Amazon - CALD 4th Edition Check current pricing
Check current pricing and availability for paperback and hardcover versions. Cambridge Advanced Learner's Dictionary 4th Edition
A simplified Advanced Learner's Dictionary app is available on the Microsoft Store for Windows users, providing definitions from multiple sources. Key Features of the 4th Edition It is completely free and updated regularly with
You can use the Cambridge Free English Dictionary and Thesaurus directly in any web browser. It is completely free and updated regularly with the same core data as the 4th Edition.