Many "new" highly compressed files are bundled as "repacks". This means the game's core files are updated with the latest community patches or official DLCs (like Dead Kings) before being packed tightly together. The Major Risks of Downloading Highly Compressed Files
System requirements for Assassin's Creed Unity * Operating system Windows 10 (64-bit versions) * Processor AMD FX 8350 @ 4.0 GHz , download assassin creed unity highly compressed new
Unofficial download sites frequently bundle Trojan horses, crypto-miners, and ransomware inside their setup files. Many "new" highly compressed files are bundled as "repacks"
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High levels of compression require every single bit to extract perfectly. If even a tiny file corrupts during download or extraction, the entire game will fail to install.
Assassin's Creed Unity system requirements - PCGameBenchmark