If you already have cryptocurrencies, you can find instant change using:
https://trocador.app
https://orangefren.com
https://intercambio.app

atomic exchange with:
https://unstoppableswap.net
https://code.samourai.io/wallet/comit-swaps-java/-/releases
https://basicswapdex.com

Or buy with fiat money using:
https://localmonero.co
https://bisq.network
https://learn.robosats.com

They are all KYC-free. Every option has Tor by default, or at least has it available.