> For the complete documentation index, see [llms.txt](https://docs.inogic.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.inogic.com/sharepoint-security-sync/installation/solution-upgrade/import-solution-through-classic-ui.md).
# Import Solution through Classic UI
To upgrade the SharePoint Security Sync solution in the Classic UI of Dynamics 365 CRM, follow these steps:
* In your **Dynamics 365 CRM** interface, navigate to S**ettings > Customizations > Solutions.**
* In the **All Solutions** view, click on the **Import** button (as shown in the screenshot below).
* In the pop-up dialog, click on **Choose File**.
* Select the updated solution package from your system and click **Next**.
### Importing Solution on Same Version:
* Click **Next** again to proceed.
* On the next screen, select the **Overwrite customizations** checkbox.
* Click **Import** to begin the upgrade process.
Once the import is complete, the upgraded version of the solution will be available in your CRM environment.
### Importing Solution from Lower Version to a Higher Version:
* Click **Next** again to proceed.
* On the next screen, select the **"Upgrade"** checkbox in Solution Action and the "**Overwrite customizations"** option**.**
* Click **Import** to begin the upgrade process.
{% hint style="info" %}
**Note: To successfully upgrade the solution, make sure you are importing a higher version over the existing lower version.**
{% endhint %}