The latest version of the article can be found in FXCodebase wiki:
http://fxcodebase.com/wiki/index.php/Cu ... arketscope
Step 1. Download Indicator
Variant 1
In case the indicator is attached to the post, right click on the name of the attached file and then choose "Save Target As" in the context menu.
The "Save As" dialog appears. Choose any folder, for example c:\ to save the indicator. The name of the indicator file (alligator.lua in our example) will appear in the dialog automatically.
Click the "Save" button. That's all, the indicator is saved. You can go to the next step.
Variant 2
In case the indicator author published only the code of the indicator, you have to copy-paste it to your computer.
Click on the "SELECT ALL" options of the indicator code.
Then right-click on the selected text and choose "Copy"
Click on the Windows' Start Menu and Choose "Run". The Run dialog appears. Type "notepad" in "Open" field and press OK.
Notepad application appears. Go to the "Edit" menu and choose "Paste".
The indicator source code will be inserted into the notepad application. Go to the "File" menu and choose "Save As". The "Save As" dialog appears. Choose any folder, for example c:\ to save the indicator. Type the name of the indicator in the "File Name" field. The extension (the part of the name after the last dot character (.)) must always be lua.
And, finally, click "Save" to save the indicator on your computer.