The original game was designed for older hardware configurations, meaning most modern integrated graphics cards can run it comfortably: Sleeping Dogs on Steam Hard Disk Space: 15GB. Save 85% on Sleeping Dogs: Definitive Edition on Steam
Instead of risking malware, you can use , an open-source tool that uses Windows' built-in transparent compression to save space on your SSD/HDD without breaking the game. While it won't reach 500 MB, it can safely reduce the footprint of installed games. Sleeping Dogs system requirements - Can You RUN It sleeping dogs highly compressed 500mb
Only download from reputable, well-known repacking sites that have a good community reputation. The original game was designed for older hardware