how to Add Dai Stablecoin To Metamask, you need to add it as a custom token. Here are the steps to do so:

1. Open your Metamask wallet and click on the "Assets" tab.
2. Click on the "Add Token" button at the bottom of the page.
3. Select the "Custom Token" option and enter the following information:
- Token Contract Address: 0x6B175474E89094C44Da98b954EedeAC495271d0F
- Token Symbol: DAI
- Decimals of Precision: 18
4. Click on the "Next" button and confirm the token details.
5. Click on the "Add Tokens" button and you will see Dai Stablecoin in your Metamask wallet.

You can now send and receive Dai Stablecoin using Metamask.