Update installation.mdx

docs/jsm/selfserv-atm/installation.mdx

@@ -9,6 +9,32 @@ import TabItem from '@theme/TabItem';
 
 :::warning
 
-ATM v3 Information coming soon, Please contact support for assistance.
+Some of this information may be unfinished/not accurate. Make sure to test these before using them in production.
+
+:::
+
+:::info
+
+Download the recent available file for this product via [Axon](https://axon.whitehill.group).
+
+:::
+
+### 1) Enable HTTP Requests {#1}
+<iframe width="705.61" height="397.5" src="https://www.youtube.com/embed/qtKN_3Moi7M" title="Enabling HTTP Requests" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share; fullscreen"></iframe>
+
+### 2) Product Insertion {#2}
+Insert your file by 'dragging' the product file into Roblox Studio with your game fully loaded. With the release of ATM V3, 2 new models are now available. You can choose between the SelfServ 25, 27 or 28.
+
+### 3) Setup
+Enter your SystemConfig under the JSM | ATM V3 folder. After which, feel free to update the settings. Information about each setting is available in the configuration script.
+
+### 4) Linking with SCO V3 (optional)
+If you have SCO V3 and ATM V3, you have the option to link them together. To do so, enter the SystemConfig file under JSM | SelfCheckout V3. Under the currency option, you should find a setting called 'JSMATMLocation'. Change the 'nil' next it to your ATM V3 folder. An example of this would be:
+`["JSMATMLocation"] = workspace["JSM | ATM V3"];`
+
+
+:::info
+
+Still confused about setup? Open a thread in [#community-support](https://discord.com/channels/616745092279173151/1318377050725290015)
 
 :::