site/docs/getting-started.mdx

@@ -4,6 +4,7 @@ title: 'Getting started'
 ---
 
 import BrowserOnly from '@docusaurus/BrowserOnly'
+import Prerequisites from './getting-started/_prerequisites.mdx'
 import { Installation } from './getting-started/Installation'
 import Types from './getting-started/_types.mdx'
 import { Dialects } from './getting-started/Dialects'
@@ -13,6 +14,10 @@ import { Summary } from './getting-started/Summary'
 
 # Getting started
 
+## Prerequisites
+
+<Prerequisites />
+
 ## Installation
 
 <Installation />

site/docs/getting-started/_prerequisites.mdx

@@ -0,0 +1,15 @@
+- [TypeScript](https://www.typescriptlang.org/) version 4.6 or later.
+
+- You must enable `strict` mode in your `tsconfig.json` file's `compilerOptions`.
+
+  ```ts title="tsconfig.json"
+  {
+    // ...
+    "compilerOptions": {
+      // ...
+      "strict": true
+      // ...
+    }
+    // ...
+  }
+  ```