Most sites offering "free hacks" are fronts for distributing malware, keyloggers, or ransomware designed to steal your Steam account, banking info, and personal data.
If you want to play at a higher level without the risk of bans or viruses: CSGO Hacks Free
The industry standard for warm-up and flick training. Most sites offering "free hacks" are fronts for
A free service that analyzes your matches and tells you exactly what you need to improve (aim, utility usage, or positioning) based on pro-level data. CSGO Hacks Free
Pros use specific settings to make enemies easier to see and hear.
Use the Loudness Equalization setting in Windows or in-game "Advanced 3D Audio Processing" to hear footsteps more clearly.