Update guides

docs/docs/guides/windows.md

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 title: Installing Jan on Windows
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+
+# Windows users
+## Step 1: Download the Installer
+Download the Jan Installer from  [Jan.ai](https://jan.ai/)
+
+Here, you should choose the `Download for  Windows`
+![Jan Installer](img/jan-download.PNG)
+
+## Step 2: Proceed the Windows Defender
+
+You would come by the warning of Windows
+
+<!-- ![Accept Jan](img/window-defender.PNG) -->
+
+Choose `Run away` to accept `Jan.ai`.
+
+Wait till the `Jan` finish installation
+<!-- ![Setting up](img/set-up.PNG) -->
+
+
+## Step 3: Download your first model
+Click on `Jan` on your desktop to open.
+
+Welcome to `Jan` home page.
+Choose `Explore Models`
+<!-- ![Explore models](img/explore-model.PNG) -->
+
+You will be bring to the Model catalog.
+
+You can always choose other models and other model versions by click on `Show available Versions`
+
+
+<!-- ![Jan Installer](img/model-version.PNG) -->
+
+- Note: Please choose the model suit your memory and RAM.
+
+Choose the model with your favor and hit `Download`.
+
+<!-- ![Jan Installer](img/downloading.PNG) -->
+
+## Step 4: Start the model
+
+## Step 5: Start the conversations
+
+That's it. Have fun with LLMs.
+
+> #### Note:
+> As Jan is `development mode`, you might get stuck on a broken build.
+>
+> ##### To reset your installation:
+> 1. Delete Jan Application from /Applications
+>
+> 2. Clear cache: `rm -rf /Users/$(whoami)/Library/Application\ Support/jan-electron`
+> OR `rm -rf /Users/$(whoami)/Library/Application\ Support/jan`
+> 
+> 3. If the above fail please use:
+> `ps aux | grep nitro  // There is nitro and nitro_arm_64 or something kill -9 <PID> // kill it 1-by-1 and see if Jan still works`