need help！MT4 installation error

[Zhishibar Zhishibar]

We all know that after MT4 is installed, there will be other files in this path（C:\Users\Administrator\AppData\Roaming\MetaQuotes\Terminal）, but I have nothing here. The software is installed on the C drive by default.

[Sergey Golubev]

Open data Folder and check:

or re-install MT4 using the following links/examples:

How to install clean MT4 and any build of MT5 (3 examples with screenshots): this page
Limitations to use old builds of MT4/MT5 or old versions of Windows (incl antivirus issue): this page