update broken links

develop/index.md

@@ -10,14 +10,14 @@ template: index-page.html
 
 ## Introduction
 
-This guide is a starting point for developers who wish to build in the Polkadot ecosystem. To get the most from this section: 
+This guide is a starting point for developers who wish to build in the Polkadot ecosystem. To get the most from this section:
 
 1. Identify your development pathway:
     - [**Parachain Developers**](#parachain-developers) - build, deploy, and maintain custom parachains with the Polkadot SDK
     - [**Smart Contract Developers**](#smart-contract-developers) - leverage smart contracts and execute custom logic over existing chains to streamline your development process
     - [**Application Developers**](#application-developers) - leverage Polkadot's underlying protocol features to create solutions for your users to interact with the ecosystem
 2. Use the sections under your pathway as follows:
-    - **Learn** - content to deepen your knowledge and understanding 
+    - **Learn** - content to deepen your knowledge and understanding
     - **Build** - connect to goal-oriented guides and step-by-step tutorials
     - **Tools** - tools commonly used in your pathway
     - **Resources** - resources for your pathway, including references, code repositories, and outside documentation
@@ -36,39 +36,38 @@ graph TD
     A --> D[Application Development]
 ```
 
-!!! tip 
+!!! tip
     All three pathways can leverage Cross-Consensus Messaging (XCM) to create innovative cross-chain workflows and applications. Get started with these resources:
 
     - [**Introduction to XCM**](/develop/interoperability/intro-to-xcm/){target=\_blank} - introduces key concepts, core function definitions, and code examples
     - [**XCM Tools**](/develop/toolkit/interoperability/xcm-tools/){target=\_blank} - provides an overview of popular XCM tools
     - [**Tutorials for Managing XCM Channels**](/tutorials/interoperability/xcm-channels/){target=\_blank} - guides for using [Polkadot.js Apps](https://polkadot.js.org/apps/#/explorer){target=\_blank} UI to establish cross-chain messaging channels 
 
-
-### Parachain Developers 
+### Parachain Developers
 
 Build, deploy, and maintain custom parachains with the Polkadot SDK.
 
 <div class="cards" markdown>
 
-:octicons-book-16:{ .lg .middle } **Learn** 
+:octicons-book-16:{ .lg .middle } **Learn**
 
 [Parachains Overview](/polkadot-protocol/architecture/parachains/overview/){target=\_blank}
 
-[Custom Parachains](/develop/parachains/get-started/build-custom-parachains/){target=\_blank}
+[Introduction to the Polkadot SDK](/develop/parachains/intro-polkadot-sdk/){target=\_blank}
 
-[Introduction to the Polkadot SDK](/develop/parachains/get-started/intro-polkadot-sdk/){target=\_blank}
+[Customize Your Parachain](/develop/parachains/customize-parachain/){target=\_blank}
 
 ---
 
 </div>
 
 <div class="cards" markdown>
 
-:octicons-rocket-16:{ .lg .middle } **Build** 
+:octicons-rocket-16:{ .lg .middle } **Build**
 
 [Parachain Developer Zero to Hero Guides](/tutorials/polkadot-sdk/parachains/zero-to-hero/){target=\_blank}
 
-[Install Polkadot SDK Dependencies](/develop/parachains/get-started/install-polkadot-sdk/){target=\_blank}
+[Install Polkadot SDK Dependencies](/develop/parachains/install-polkadot-sdk/){target=\_blank}
 
 ---
 
@@ -92,15 +91,15 @@ Build, deploy, and maintain custom parachains with the Polkadot SDK.
 :octicons-code-square-16:{.lg .middle} **Resources**
 
 
-[Polkadot SDK source code repository](https://github.com/paritytech/polkadot-sdk){target=\_blank} 
-    
+[Polkadot SDK source code repository](https://github.com/paritytech/polkadot-sdk){target=\_blank}
+
 [FRAME source code repository](https://github.com/paritytech/polkadot-sdk/tree/master/substrate/frame){target=\_blank}
 
 ---
 
 </div>
 
-### Smart Contract Developers 
+### Smart Contract Developers
 
 Leverage smart contracts and execute custom logic over existing chains to streamline your development process.
 
@@ -124,8 +123,8 @@ Leverage smart contracts and execute custom logic over existing chains to stream
 
 :octicons-rocket-16:{.lg .middle} **Build**
 
-[Deploy a Smart Contract to Asset Hub](/develop/smart-contracts/evm/native-evm-contracts/#deploy-a-smart-contract-to-asset-hub){target=\_blank} 
-    
+[Deploy a Smart Contract to Asset Hub](/develop/smart-contracts/evm/native-evm-contracts/#deploy-a-smart-contract-to-asset-hub){target=\_blank}
+
 [Deploy a Wasm Smart Contract](/develop/smart-contracts/wasm-ink/){target=\_blank}
 
 ---
@@ -148,8 +147,8 @@ Leverage smart contracts and execute custom logic over existing chains to stream
 
 :octicons-code-square-16:{.lg .middle} **Resources**
 
-[Runtime vs Smart Contract - Polkadot SDK Rust docs](https://paritytech.github.io/polkadot-sdk/master/polkadot_sdk_docs/reference_docs/runtime_vs_smart_contract/index.html){target=\_blank} 
-    
+[Runtime vs Smart Contract - Polkadot SDK Rust docs](https://paritytech.github.io/polkadot-sdk/master/polkadot_sdk_docs/reference_docs/runtime_vs_smart_contract/index.html){target=\_blank}
+
 [Pure Rust Implementation of EVM](https://github.com/rust-ethereum/evm){target=\_blank}
 
 ---
@@ -158,7 +157,7 @@ Leverage smart contracts and execute custom logic over existing chains to stream
 
 ### Application Developers
 
-Integrate with the Polkadot blockchain's underlying protocol features to create solutions that allow users to interact with the ecosystem. 
+Integrate with the Polkadot blockchain's underlying protocol features to create solutions that allow users to interact with the ecosystem.
 
 <div class="cards" markdown>
 
@@ -206,8 +205,8 @@ Integrate with the Polkadot blockchain's underlying protocol features to create
 
 :octicons-code-square-16:{.lg .middle} **Resources**
 
-[RPC Endpoints](/develop/networks/){target=\_blank} 
-    
+[RPC Endpoints](/develop/networks/){target=\_blank}
+
 [Polkadot Ecosystem Toolkit](/develop/toolkit/){target=\_blank}
 
 ---

develop/interoperability/test-and-debug.md

@@ -75,11 +75,10 @@ The `xcm-simulator` provides the following macros for building a mocked simulati
 
 By leveraging these macros, developers can customize their testing networks by defining relay chains and parachains tailored to their needs.
 
-For guidance on implementing a mock runtime for a Polkadot SDK-based chain, refer to the [Pallet Testing](/develop/parachains/customize-parachain/pallet-testing/){target=\_blank} article. This framework enables thorough testing of runtime and cross-chain interactions.
+For guidance on implementing a mock runtime for a Polkadot SDK-based chain, refer to the [Pallet Testing](/develop/parachains/testing/pallet-testing/){target=\_blank} article. This framework enables thorough testing of runtime and cross-chain interactions.
 
 For a complete example of how to use the `xcm-simulator`, explore the [`sample`](https://github.com/paritytech/polkadot-sdk/tree/master/polkadot/xcm/xcm-simulator/example){target=\_blank} provided in the `xcm-simulator` codebase.
 
-
 ## XCM Emulator
 
 The [`xcm-emulator`](https://github.com/paritytech/polkadot-sdk/tree/master/cumulus/xcm/xcm-emulator){target=\_blank} is a tool designed to simulate the execution of XCM programs using predefined runtime configurations. These configurations include those utilized by live networks like Kusama, Polkadot, and the Asset Hub.

develop/parachains/index.md

@@ -23,7 +23,7 @@ Polkadot SDK’s FRAME framework provides developers with the tools to do the fo
 - **Deploy your blockchain for use** - take your Polkadot SDK-based blockchain from a local environment to production
 - **Maintain your network including monitoring and upgrades** - runtimes can be ugraded through forkless runtime updates, enabling seamless evolution of the parachain
 
-New to parachain development? Start with the [Introduction to the Polkadot SDK](/develop/parachains/get-started/intro-polkadot-sdk/) to discover how this framework simplifies building custom parachains.
+New to parachain development? Start with the [Introduction to the Polkadot SDK](/develop/parachains/intro-polkadot-sdk/) to discover how this framework simplifies building custom parachains.
 
 ## In This Section
 

infrastructure/running-a-node/setup-full-node.md

@@ -22,7 +22,7 @@ Now that you're familiar with the different types of nodes, this section will wa
 Before getting started, ensure the following prerequisites are met:
 
 - Ensure [Rust](https://www.rust-lang.org/tools/install){target=\_blank} is installed on your operating system
-- [Install the necessary dependencies for the Polkadot SDK](/develop/parachains/get-started/install-polkadot-sdk/){target=\_blank}
+- [Install the necessary dependencies for the Polkadot SDK](/develop/parachains/install-polkadot-sdk/){target=\_blank}
 
 !!! warning
     This setup is not recommended for validators. If you plan to run a validator, refer to the [Running a Validator](/infrastructure/running-a-validator/){target=\_blank} guide for proper instructions.

polkadot-protocol/architecture/polkadot-chain/overview.md

@@ -25,7 +25,7 @@ As a Layer-0 blockchain, Polkadot contributes to the multi-chain vision through
 
 - **Resilient infrastructure** - decentralized and scalable, Polkadot ensures ongoing support for development and community initiatives via its on-chain [treasury](https://wiki.polkadot.network/docs/learn-polkadot-opengov-treasury){target=\_blank} and governance
 
-- **Rapid L1 development** - the [Polkadot SDK](/develop/parachains/get-started/intro-polkadot-sdk/){target=\_blank} allows fast, flexible creation and deployment of Layer-1 chains
+- **Rapid L1 development** - the [Polkadot SDK](/develop/parachains/intro-polkadot-sdk/){target=\_blank} allows fast, flexible creation and deployment of Layer-1 chains
 
 - **Cultivating the next generation of Web3 developers** - Polkadot supports the growth of Web3 core developers through initiatives such as:
 

tutorials/index.md

@@ -8,19 +8,19 @@ template: index-page.html
 
 # Tutorials
 
-Welcome to the Polkadot Tutorials hub! Whether you’re building parachains, integrating system chains, or developing decentralized applications, these step-by-step guides are designed to help you achieve your goals efficiently and effectively. 
+Welcome to the Polkadot Tutorials hub! Whether you’re building parachains, integrating system chains, or developing decentralized applications, these step-by-step guides are designed to help you achieve your goals efficiently and effectively.
 
 Not sure where to start? Check out the highlighted tutorials below!
 
-## Polkadot Zero to Hero 
+## Polkadot Zero to Hero
 
 The Zero to Hero series offers step-by-step guidance to development across the Polkadot ecosystem.
- 
+
 ### Parachain Developers
 
 <div class="subsection-wrapper">
-  <div class="card"> 
-    <a href="/tutorials/zero-to-hero/parachain-zero-to-hero/" target="_blank"> 
+  <div class="card">
+    <a href="/tutorials/polkadot-sdk/parachains/zero-to-hero/" target="_blank">
       <h2 class="title">Parachain Zero to Hero</h2>
       <p class="description">Begin with a template then follow this series of step-by-step guides to add pallets, write unit tests and benchmarking, run your parachain locally, perform runtime upgrades, deploy to TestNet, and obtain coretime.</p>
     </a>

tutorials/interoperability/xcm-transfers/from-relaychain-to-parachain.md

@@ -99,7 +99,7 @@ After submitting the transaction from the relay chain, confirm its success by ch
 
 ## Using PAPI
 
-To programmatically execute the reserve-backed asset transfer between the relay chain and the parachain, you can use [Polkadot API (PAPI)](/develop/toolkit/api-libraries/papi.md){target=\_blank}. PAPI is a robust toolkit that simplifies interactions with Polkadot-based chains. For this project, you'll first need to set up your environment, install necessary dependencies, and create a script to handle the transfer process.
+To programmatically execute the reserve-backed asset transfer between the relay chain and the parachain, you can use [Polkadot API (PAPI)](/develop/toolkit/api-libraries/papi/){target=\_blank}. PAPI is a robust toolkit that simplifies interactions with Polkadot-based chains. For this project, you'll first need to set up your environment, install necessary dependencies, and create a script to handle the transfer process.
 
 1. Start by creating a folder for your project:
 

tutorials/polkadot-sdk/index.md

@@ -16,7 +16,7 @@ Ready to create a parachain from the ground up? Start with the tutorials highlig
 
 Follow these key milestones to guide you through parachain development. Each step links to detailed tutorials for a deeper dive into each stage:
 
-- [**Install the Polkadot SDK**](/develop/parachains/get-started/install-polkadot-sdk/) - set up the necessary tools to begin building on Polkadot. This step will get your environment ready for parachain development
+- [**Install the Polkadot SDK**](/develop/parachains/install-polkadot-sdk/) - set up the necessary tools to begin building on Polkadot. This step will get your environment ready for parachain development
 
 - [**Parachains Zero to Hero**](/tutorials/polkadot-sdk/parachains/zero-to-hero/) - a series of step-by-step guides to building, testing, and deploying custom pallets and runtimes using the Polkadot SDK
 

tutorials/polkadot-sdk/parachains/zero-to-hero/pallet-unit-testing.md

@@ -15,9 +15,9 @@ This tutorial will guide you through creating a unit testing suite for a custom
 
 To set up your testing environment for Polkadot SDK pallets, you'll need:
 
-- [Polkadot SDK dependencies](/develop/parachains/get-started/install-polkadot-sdk/){target=\_blank} installed
+- [Polkadot SDK dependencies](/develop/parachains/install-polkadot-sdk/){target=\_blank} installed
 - Basic understanding of Substrate/Polkadot SDK concepts
-- A custom pallet implementation, check the [Build a Custom Pallet](/tutorials/polkadot-sdk/parachains/build-custom-pallet/){target=\_blank} tutorial
+- A custom pallet implementation, check the [Build a Custom Pallet](/tutorials/polkadot-sdk/parachains/zero-to-hero/build-custom-pallet/){target=\_blank} tutorial
 - Familiarity with [Rust testing frameworks](https://doc.rust-lang.org/book/ch11-01-writing-tests.html){target=\_blank}
 
 ## Set Up the Testing Environment