after downloading the files

First, the file folder 'JuliefaFX-icon'
1. copy 'JuliefaFX-icon'
2. open your trading platform and go to file and select 'Open Data Folder'
3. a window explorer will open, select MQL4 folder and select File folder and paste the copied file 'JuliefaFX-icon'

Second, the .ex4 file 'TMA 7 in 1 MTF wButton.ex4'
1. copy file 'TMA 7 in 1 MTF wButton.ex4'
2. go back to MQL4 folder and select Indicators folder and paste the copied file 'TMA 7 in 1 MTF wButton.ex4'