Which hardware identifiers exist, what a spoofer changes and what it will not fix.
A spoofer changes hardware identifiers, but it does not unban an account, hide how you play, or survive every form of re-identification. These pages say so plainly, then explain which identifiers exist and the order of operations that actually works.
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A spoofer only changes the hardware identifiers a machine reports, so it cannot unban an account or clear a Steam, Epic or Riot flag. It cannot hide how you play, and nobody can promise the machine will never be linked to its old identity.
Work out what was banned, clean Windows if the ban survives a spoof, then run the spoofer and verify it applied. Only then sign in with your intended account. Launching the game before spoofing, reusing the banned account or restoring a backup image undoes all of it.
HWID bans are tied to hardware identifiers, account bans to the account record, IP bans to the connection, and shadowbans to matchmaking, not access. A spoofer only touches the hardware layer, and a machine can be flagged without being banned yet.
Software reads a correlated set rather than one HWID: motherboard and disk serials, SMBIOS UUID, MAC addresses, TPM state, GPU UUID, volume IDs and MachineGuid. A kernel-level spoofer can change what Windows reports for most of these, but not values held in signed firmware.
Read the identifiers before you spoof and again afterwards, then compare the lists, since a success dialog is not evidence. If only some values changed, the spoof is partial, and one unchanged serial can be enough to link the machine to its old identity.
What a hardware-ID spoofer changes, how perm and temp differ, and what it will not do for a banned account.
When a fresh Windows install is worth the time, how to do it from official media, and what to keep off the disk.