The original Assetto Corsa became a legend because of modding. Kunos has confirmed AC Evo will support mods via an official SDK. However, repacks often use cracked Steam emulators (Goldberg, Steamless) that conflict with the game's folder structure. Installing or pure weather mods on a repack is a nightmare of registry errors and CTDs (Crash to Desktop).
For many sim-racers, a "repack" is a highly compressed, unofficial version of a game. However, for a title like AC EVO, using such versions during Early Access presents several drawbacks: assetto corsa evo repack
If you are looking for a repack to save space, note that the official game size and requirements are substantial due to the high-fidelity assets: 100 GB available space (SSD is strictly required). RAM: 16 GB. Minimum GPU: NVIDIA GTX 1070 or AMD RX 580. Recommended GPU: NVIDIA RTX 2070 or AMD Radeon RX 5600. The original Assetto Corsa became a legend because