The "highly compressed repack" version of F1 2014 presents a trade-off between file size and performance. Compression can make the game more accessible by reducing download times and storage requirements. However, it may also affect game performance, stability, and the integrity of the game's data.
: Extract all parts into a single folder using WinRAR or 7-Zip.
Let the installer run its automatic file verification tool at the end to guarantee a successful install. Staying Safe: Best Practices for Downloading Repacks