Once the download is complete, install the Roblox Executor and open and log in to it using your Roblox account. Search and play Hunty Zombie. Click on the executor icon. If required, copy the key.

Some other executors include: krnl, Fluxus, Script-Ware, Script-Ware M, and Synapse Once the download is complete, install the Roblox Executor and open and log in to it using your Roblox account.