Do macro wait until the paste process of the copied file finish then continue ?

I don't know what's wrong with my computer,
but I've found out that copying file from my internal HDD to USB 3.0 drive manually :
- if I select multiple files in the source folder, ctrl+c, then ctrl+v to another folder, the transfer rate drop to between 25-40 MB/s
- if I do it one by one, wait until the paste process finish, then copy another one, paste then wait until finish, the transfer rate is almost constant per paste between 70 - 100 MB/s.

All the files to be copied is video mkv files where per file size vary from 6 to 20 gb.

So I've been thinking to automate via vba that "manually copy-paste file one by one and wait until the previous paste process finish".
But I don't know how to code "the waiting" process.

So far I've tried like this :

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From the code above, when I F8, it seems the macro halt by the time it want to pass the green code above,
as the yellow highlight didn't directly hit the "end if". So it seems it did wait until the paste process finish ?
After I saw the "end if" has the yellow highlight (then I check the file in the destination folder is correct), then I can continue the F8.
But to be honest, I'm not sure about that, so I ask here.

Any kind of respond would be greatly appreciated.
Thank you in advanced.

Hi millz,

Thank you for your help.
After I read your respond, I run the code (not step run) and
Yesss... it did wait until the previous paste process finish, then the macro go on to the next loop.

To be honest, I don't know how to write a batch script / powershell / cmd.
Anyway, thank you once again for your help.