You can get Sepolia Faucet from infura or you can bridge from arbitrum eth or optimism eth using layerzero testnet bridge
Open Linux Based Terminal or you can use codespace or gitpod
If you are using codespace , choose blank temlate and then enter Installation command in the terminal
Imp Info
In the middle of the code, it will ask something like this
Here at 1st, press enter key then choose Holesky Testnet (Recommended) or Sepolia Testnet and then choose Uniswap V3 and atlast choose Y
You can use WASD key to move up and down
In the middle, it will prompt something like this "Enter account ID", here u need to give any name to ur wallet (example : ZunXBT), make sure to remember it
In the next step, u need to provide a password to ur wallet , during enter password it will not show up on terminal, u also need to remember this
After that send atleast 0.1 Holesky ETH (if you chosen Holesky Testnet) or 2 Sepolia ETH (if you chosen Sepolia Testnet) from your wallet address to that address
At last stage, it will prompt for gas simulation, choose Y and after that it will ask for execution, choose Y