diff --git a/README.md b/README.md
index f0940f1..f698804 100644
--- a/README.md
+++ b/README.md
@@ -1,20 +1,41 @@
+[![npm version](https://img.shields.io/npm/v/@harmony-js/core.svg?style=flat-square)](https://www.npmjs.com/package/@harmony-js/core)
+
+
 # Harmony-SDK-Core
 
 A Harmony's blockchain javascript library
 
 It's a mono-repo library, not yet published to npm.
 
+
+# Install from npm/yarn
+
+```bash
+
+# npm
+npm install @harmony-js/core@next 
+
+# yarn
+yarn add @harmony-js/core@next
+
+# tslib may be required, we'd better install it as well
+npm install tslib
+yarn add tslib
+
+```
+
 # Packages
 
-1. [harmony-core](https://github.com/FireStack-Lab/Harmony-sdk-core/tree/master/packages/harmony-core)
-2. [harmony-account](https://github.com/FireStack-Lab/Harmony-sdk-core/tree/master/packages/harmony-account)
-3. [harmony-crypto](https://github.com/FireStack-Lab/Harmony-sdk-core/tree/master/packages/harmony-crypto)
-4. [harmony-network](https://github.com/FireStack-Lab/Harmony-sdk-core/tree/master/packages/harmony-network)
-5. [harmony-utils](https://github.com/FireStack-Lab/Harmony-sdk-core/tree/master/packages/harmony-utils)
-6. [harmony-transaction](https://github.com/FireStack-Lab/Harmony-sdk-core/tree/master/packages/harmony-transaction)
+1. [@harmony-js/core](https://github.com/FireStack-Lab/Harmony-sdk-core/tree/master/packages/harmony-core)
+2. [@harmony-js/account](https://github.com/FireStack-Lab/Harmony-sdk-core/tree/master/packages/harmony-account)
+3. [@harmony-js/crypto](https://github.com/FireStack-Lab/Harmony-sdk-core/tree/master/packages/harmony-crypto)
+4. [@harmony-js/network](https://github.com/FireStack-Lab/Harmony-sdk-core/tree/master/packages/harmony-network)
+5. [@harmony-js/utils](https://github.com/FireStack-Lab/Harmony-sdk-core/tree/master/packages/harmony-utils)
+6. [@harmony-js/transaction](https://github.com/FireStack-Lab/Harmony-sdk-core/tree/master/packages/harmony-transaction)
+7. [@harmony-js/contract](https://github.com/FireStack-Lab/Harmony-sdk-core/tree/master/packages/harmony-contract)
 
 
-# Install and Build
+# Manually Build
 1. make sure you have latest `node.js` and `yarn` installed
 
 2. git clone
@@ -27,7 +48,7 @@ It's a mono-repo library, not yet published to npm.
 3. cleanup and build
    
    ```bash
-   yarn global add lerna && yarn install && yarn bootstrap && yarn dist
+   yarn global add lerna && yarn install && lerna bootstrap && lerna link && yarn dist
    ```
 
 
diff --git a/examples/testContract.js b/examples/testContract.js
index ace7688..be4efc1 100644
--- a/examples/testContract.js
+++ b/examples/testContract.js
@@ -3,13 +3,13 @@
 // Then we can use `Contract.methods.call()` to call a method
 
 // Import Main Class
-const { Harmony } = require('@harmony/core');
-// You can import BN from `@harmony/crypto` or use `Harmony.utils.BN`instead
-const { BN } = require('@harmony/crypto');
+const { Harmony } = require('@harmony-js/core');
+// You can import BN from `@harmony-js/crypto` or use `Harmony.utils.BN`instead
+const { BN } = require('@harmony-js/crypto');
 // import more utils
-const { isArray, ChainType, ChainID } = require('@harmony/utils');
+const { isArray, ChainType, ChainID } = require('@harmony-js/utils');
 // contract specific utils
-const { toUtf8String, toUtf8Bytes } = require('@harmony/contract');
+const { toUtf8String, toUtf8Bytes } = require('@harmony-js/contract');
 
 // we import `fs` and `solc` to complile the contract. you can do it in another js file
 // but we show it here anyway.
diff --git a/examples/testGanache.js b/examples/testGanache.js
index 82f34cd..1fe71f8 100644
--- a/examples/testGanache.js
+++ b/examples/testGanache.js
@@ -1,6 +1,6 @@
-const { Harmony } = require('@harmony/core');
-const { ChainID, ChainType } = require('@harmony/utils');
-const { SubscribeBlockTracker } = require('@harmony/network');
+const { Harmony } = require('@harmony-js/core');
+const { ChainID, ChainType } = require('@harmony-js/utils');
+const { SubscribeBlockTracker } = require('@harmony-js/network');
 
 const ganache = require('ganache-cli');
 
diff --git a/examples/testNode.js b/examples/testNode.js
index 29a0206..2879550 100644
--- a/examples/testNode.js
+++ b/examples/testNode.js
@@ -1,4 +1,4 @@
-const { Harmony } = require('@harmony/core');
+const { Harmony } = require('@harmony-js/core');
 // const ganache = require('ganache-cli');
 
 var port = 9015;
diff --git a/examples/testWallet.js b/examples/testWallet.js
index b93ff13..8e259dd 100644
--- a/examples/testWallet.js
+++ b/examples/testWallet.js
@@ -1,4 +1,4 @@
-const { Harmony } = require('@harmony/core');
+const { Harmony } = require('@harmony-js/core');
 
 const harmony = new Harmony('https://localhost:9015');