# Joining using a Link invitation (Guest/Ad-Hoc)

This method allows a user to join a VR collaboration session using a direct link distributed through any communication medium (email, chat, SMS, etc.), irrespective of whether they are a pre-existing SimLab contact or have a registered SimLab account.

**Prerequisite:**

- SimLab VR Viewer is installed on your Windows system

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### Accessing the Session Link

#### **Method A**: Joining via the Web Invitation Link

#### Accessing the Session Link

**Action:**

1. Click the Invitation Link provided by the host/administrator.
2. A dedicated web page will open in your browser, displaying:
    
    
    - **Session Information:** Session Name, Host's Name, Date, Time, and a countdown timer until the session starts.
    - The page will feature two main buttons: **Join Session** and **Add to Calendar**.

[![Join_hasStarted.jpg](https://simlab-soft.com/help/uploads/images/gallery/2025-10/join-hasstarted.jpg)](https://simlab-soft.com/help/uploads/images/gallery/2025-10/joinsession-link2-notstarted.jpg)

#### Joining the Session (Account vs. Guest)

Clicking the **Join Session** button will open a dialogue prompting you to either **Login** or **Continue as a Guest**.

<table id="bkmrk-option-action-requir" style="width: 100%;"><thead><tr><td style="width: 16.1928%;">**Option**</td><td style="width: 23.7267%;">**Action Required**</td><td style="width: 60.0804%;">**Result**</td></tr></thead><tbody><tr><td style="width: 16.1928%;">**Login**</td><td style="width: 23.7267%;">Enter your registered SimLab account email and password.</td><td style="width: 60.0804%;">The SimLab VR Viewer will launch. Once the host starts the session, you will receive an in-app notification to **Join** the session.</td></tr><tr><td style="width: 16.1928%;">**Continue as a Guest**</td><td style="width: 23.7267%;">Provide an active **Email Address** and a **Name** (for identification within the session).</td><td style="width: 60.0804%;">The SimLab VR Viewer will launch. You will receive an in-app notification when the session starts. Additionally, the provided email address will be used to create a new SimLab account, and you will receive a separate email containing an **autogenerated password**. *It is highly recommended to change this password after your initial login.*</td></tr></tbody></table>

#### Adding the Session to Your Calendar

If you wish to save the session details for future access or standalone devices action, use the **Add to Calendar** option.

**Action (Add to Calendar):**

1. Click the **Add to Calendar** button on the invitation link's web page.
2. **Authentication:** You will be prompted to log in to your SimLab account if you are not already signed in.
3. **Web Portal Redirect:** Upon successful login, you will be redirected to the SimLab Web Portal.
4. The session will be recorded as an event in the **Invitations** tab on the VR Collaboration Scheduling Page. You can use the **Join Session** button on this tab to join the collaboration when it is active

[![Add-toCalendar.jpg](https://simlab-soft.com/help/uploads/images/gallery/2025-10/scaled-1680-/add-tocalendar.jpg)](https://simlab-soft.com/help/uploads/images/gallery/2025-10/add-tocalendar.jpg)

### **Method B**: Joining via the URL Launcher

This method allows you to join a session directly within the SimLab VR Viewer application, bypassing the web browser flow, and it will prompt you for login/guest details only if you are not already signed in.

**Action:**

1. Launch the **SimLab VR Viewer** application.
2. Locate the **URL Launcher** button (typically found in the top-right corner of the interface) and click it.
3. A dialogue window will pop up. **Paste the Invitation Link** (the full URL provided by the host) into the designated field.
4. Click **Confirm**.

[![URL_Launcher2.png](https://simlab-soft.com/help/uploads/images/gallery/2025-10/scaled-1680-/url-launcher2.png)](https://simlab-soft.com/help/uploads/images/gallery/2025-10/url-launcher2.png)

**Result:**

- **If you are Signed In:** You will immediately connect to the session as your registered account.
- **If you are Not Signed In:** A prompt will appear asking you to either **Login** or **Continue as a Guest** (which functions identically to the web method).

In either case, you will enter the **Lobby** screen to load the VR experience before the session officially begins.