> For the complete documentation index, see [llms.txt](https://bimil.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bimil.gitbook.io/docs/using-bimil/installing-add-ins.md).
# Installing Add-ins
## Prerequisites
Before installing add-ins, make sure you have completed the following steps:
1. [Download](/docs/get-started/download.md) the latest version of BIMIL
2. [Install ](/docs/get-started/install-bimil-manager.md)BIMIL Manager
3. [Sign up](/docs/account/sign-up.md) for a BIMIL account
4. [Log in](/docs/account/log-in.md) to BIMIL Manager
***
## Installation Steps
### 1. Find an Add-in
After logging in, browse or search for add-ins in the **All Add-ins** page.
### 2. View Add-in Details
Click on any add-in to view its detailed information page.
### 3. Check Compatibility
Before installing, review the compatibility information in the left panel:
* **Compatible with**: Check if the add-in supports your software (e.g., Revit, SketchUp)
* **Versions**: Verify that your software version is supported
### 4. Install the Add-in
Click the **Install** button.
* BIMIL Manager will automatically detect compatible software versions installed on your PC
* The add-in will be installed for all detected compatible versions
* Progress will be displayed during installation
{% hint style="warning" %}
**Important**: Make sure the target software (e.g., Revit, SketchUp) is **closed** before installing add-ins.
{% endhint %}
### 5. Installation Complete
Once installation is complete, the button will change to **Installed**.
You can now launch your software and start using the add-in!
***
## What Happens During Installation?
When you click Install, BIMIL Manager:
1. Scans your computer for compatible software versions
2. Downloads the add-in files
3. Installs the add-in to the appropriate directories for each detected version
4. Registers the add-in with the software
{% hint style="info" %}
**Example**: If you have Revit 2023, 2024, and 2025 installed, and the add-in supports versions 2022-2026, BIMIL will automatically install it for all three versions on your computer.
{% endhint %}
***
## Troubleshooting
**Add-in not appearing after installation?**
* Make sure you restarted the software after installation
* Check My Add-ins to verify the installation was successful
* Try using the **Repair** function (see Managing Installed Add-ins)
**Installation failed?**
* Ensure the software is completely closed
* Check your internet connection
* Verify you have sufficient disk space
* Contact for assistance
---
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