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Here's a step-by-step guide on how to install MetaMask for both desktop browsers and mobile devices:

For Desktop Browsers:

Step 1: Visit the MetaMask Website

• Go to the official MetaMask website at https://metamask.io/.

Step 2: Choose the Download Option

• Click the "Download" button on the homepage. You'll be redirected to the download page where you can select your platform (Chrome, Firefox, Brave, Edge).

Step 3: Add MetaMask as an Extension

• Select your browser and follow the link to the respective web store. Click on "Add to Chrome" or a similar option, depending on the browser.

Step 4: Confirm the Installation

• A pop-up window will appear asking you to confirm the installation. Click on "Add extension."

Step 5: Set Up Your Wallet

• After installation, MetaMask will automatically open, and you can either create a new wallet or import an existing one.

For Mobile App:

Step 1: Go to the App Store or Google Play

• Open the App Store on iOS devices or Google Play on Android devices.

Step 2: Search for MetaMask

• Enter "MetaMask" in the search bar and look for the app.

Step 3: Install the App

• Tap "Install" or "Download" to download and install the MetaMask app on your mobile device.

Step 4: Open the App and Set Up Your Wallet

• After installation, open the app. Here, you can create a new wallet or import an existing one by entering your seed phrase.

Important Security Notes:

• Keep your seed phrase (recovery phrase) safe. Do not share it with anyone and store it in a secure location.
• Ensure you download the app or browser extension from the official MetaMask website or legitimate app stores.

By setting up MetaMask, you gain access to a wide range of Ethereum-based and compatible blockchain applications, including sending and receiving cryptocurrencies and interacting with decentralized applications (DApps).

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To switch networks in MetaMask, follow these simple steps:

1. Open MetaMask: Click on the MetaMask extension icon in your browser or open the MetaMask app on your mobile device.

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1. Access the Network Dropdown: At the top of the MetaMask interface, there's a dropdown menu that shows the current network you're connected to (often the Ethereum Mainnet by default).

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1. Select a Network: Click on the network dropdown menu. You will see a list of available networks, including both testnets and mainnets.

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1. Switch Networks: Select the network you wish to switch to from the list. If the network you want to connect to isn't listed:

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1. Click on "Custom RPC" at the bottom of the network list (on mobile, tap on "Add Network" in the menu).

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1. Enter the network details including the Network Name, New RPC URL, Chain ID, Currency Symbol (Polygon Mainnet), and Block Explorer URL (https://polygon-rpc.com/). These details are often provided by the network or can be found with a quick web search.

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1. Confirm Network Switch: Once you select or add a new network, MetaMask will automatically switch to that network. You're now ready to interact with dApps and conduct transactions on the new network.

Remember, when you switch networks, the assets displayed in your MetaMask wallet will correspond to the selected network. Always double-check you're on the correct network before making transactions.

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