docs: update installation instructions for iApp Generator and DataProtector across multiple guides

Author: Le-Caignec

src/guides/build-iapp/build-&-test.md

@@ -29,9 +29,27 @@ iApp Generator handles all the low-level complexity for you.
 
 ## Prerequisites
 
-Before getting started, make sure you have the required tools installed. See the
-[iApp Generator Getting Started guide](/references/iapp-generator/getting-started)
-for detailed prerequisites and installation instructions.
+First, install iApp Generator in your project (for more details see [iApp Generator Getting Started](/references/iapp-generator/getting-started)):
+
+::: code-group
+
+```bash [npm]
+npm install -g @iexec/iapp-generator
+```
+
+```bash [yarn]
+yarn global add @iexec/iapp-generator
+```
+
+```bash [pnpm]
+pnpm add -g @iexec/iapp-generator
+```
+
+```bash [bun]
+bun add -g @iexec/iapp-generator
+```
+
+:::
 
 ## Quick Start
 

src/guides/manage-data/manage-access.md

@@ -13,9 +13,9 @@ DataProtector lets you encrypt data and control access through orders -
 specifying who can use it, how many times, and at what price. Protected data is
 only accessible in secure enclaves (TEEs) by authorized users and iApp.
 
-## Installation
+## Prerequisites
 
-First, install DataProtector in your project:
+First, install DataProtector in your project (for more details see [DataProtector Getting Started](/references/dataProtector/getting-started)):
 
 ::: code-group
 

src/guides/use-iapp/run-iapp-with-ProtectedData.md

@@ -14,6 +14,30 @@ inputs that come directly from you (the requester) and can change between each
 execution: Arguments, Input Files, and Secrets. These non-persistent inputs are
 perfect for customizing the iApp's behavior for each specific run.
 
+## Prerequisites
+
+First, install DataProtector in your project (for more details see [DataProtector Getting Started](/references/dataProtector/getting-started)):
+
+::: code-group
+
+```bash [npm]
+npm install @iexec/dataprotector
+```
+
+```bash [yarn]
+yarn add @iexec/dataprotector
+```
+
+```bash [pnpm]
+pnpm add @iexec/dataprotector
+```
+
+```bash [bun]
+bun add @iexec/dataprotector
+```
+
+:::
+
 ## Adding Protected Data
 
 When working with protected data that contains multiple files, you can specify

src/guides/use-iapp/run-iapp-without-ProtectedData.md

@@ -16,8 +16,7 @@ configuration to enable processing and customize functionality.
 
 ## Prerequisites
 
-Before you begin, make sure you have the iExec SDK installed. For detailed
-installation instructions, see the [iExec SDK documentation](/references/sdk).
+First, install iExec SDK in your project (for more details see [iExec SDK documentation](/references/sdk)):
 
 ::: code-group