I’ve always bought my games on steam or OFFICIAL key resellers (GMG) since I was an adult, but sometimes it has got really expensive.
Do you consider ‘cracked games’ safe for your PC, your data, and finally your privacy?
You should always support developers, but it’s not always possible.
Nothing is ever really safe. If a developer or publisher gets compromised, an attacker could put malware in an official release and push it through Steam. https://outshift.cisco.com/blog/top-10-supply-chain-attacks
You should always use protective measures like antivirus and dropping unnecessary privileges, and use extra measures when running anything from a less trusted source.