Vào thư mục FM Editor mở file special foders sửa bằng notebad:
<?xml version='1.0' encoding='utf-8'?>
<!--
This XML file is used to read special folder locations into SIOS, such as the SIOS data and the application data folder.

Each property list represents a new folder to register.
The "path" contains the relative path from the folder of this XML file up to the folder where the data folder can be found.
The "name" contains the name of the special folder to register.
-->
<record>
<list id="items">
<record path="data" resource_root="true">
<string id="name" value="app_folder" />
</record>

<record path="D:/Football Manager 2015/data" resource_root="true">
<string id="name" value="sios_folder" />
</record>

<record path="D:/Football Manager 2015/data/sigfx" resource_root="true">
<string id="name" value="sigfx_folder" />
</record>

<!-- not a resource root, as the same folder has already been added as the sios folder -->
<record path="D:/Football Manager 2015/data">
<string id="name" value="database_folder" />
</record>

<!-- not a resource root, as the same folder has already been added as the sios folder -->
<record path="D:/Football Manager 2015/data">
<string id="name" value="match_folder" />
</record>

<!-- not a resource root, as the same folder has already been added as the sios folder -->
<record path="D:/Football Manager 2015/data">
<string id="name" value="comps_folder" />
</record>

<!-- not a resource root, resource manager doesn't scan language files -->
<record path="D:/Football Manager 2015/data/languages">
<string id="name" value="language_data_folder" />
</record>

<!-- not a resource root, the updates manager will use this to find the update resource roots that are valid for the application -->
<record path="D:/Football Manager 2015/data/updates">
<string id="name" value="updates_folder" />
</record>

<!-- not a resource root, as the same path has already been added as the application folder -->
<record path="D:/Football Manager 2015/data">
<string id="name" value="fmgameextras_folder" />
</record>
</list>
</record>
Những phần tô màu các bạn sửa lại thành nơi cài game FM 15 như của mình là ổ D chẳng hạn.