Я кидаю всё C:\Program Files (x86)\Embarcadero\Studio\15.0\source\AlphaControls
а у тебя всё на С:\ диске в корне
Вот поставил по твоему методу
Checking project dependencies...
Compiling acntDX10Tokyo_r.dproj (Release, Win32)
dcc32 command line for "acntDX10Tokyo_R.dpk"
c:\program files (x86)\embarcadero\studio\19.0\bin\dcc32.exe -$D0 -$L- -$Y- --no-config -M -Q -Z -TX.bpl
-AGenerics.Collections=System.Generics.Collections;Generics.Defaults=System.Generics.Defaults;WinTypes=Winapi.Windows;WinProcs=Winapi.Windows;
DbiTypes=BDE;DbiProcs=BDE;DbiErrs=BDE -DRELEASE -I"c:\program files (x86)\embarcadero\studio\19.0\Imports";
C:\Users\Public\Documents\Embarcadero\Studio\19.0\Dcp;"c:\program files (x86)\embarcadero\studio\19.0\include";"C:\Program Files
(x86)\Embarcadero\Studio\19.0\source\AlphaControls\DX10Tokyo";"C:\Program Files (x86)\Embarcadero\Studio\19.0\source\AlphaControls\AlphaDB"
-LEC:\Users\Public\Documents\Embarcadero\Studio\19.0\Bpl -LNC:\Users\Public\Documents\Embarcadero\Studio\19.0\Dcp -NU.\Win32\Release -NSData.Win;
Datasnap.Win;Web.Win;Soap.Win;Xml.Win;Bde;Vcl;Vcl.Imaging;Vcl.Touch;Vcl.Samples;Vcl.Shell;System;Xml;Data;Datasnap;Web;Soap;Winapi;System.Win;
-O"c:\program files (x86)\embarcadero\studio\19.0\Imports";C:\Users\Public\Documents\Embarcadero\Studio\19.0\Dcp;"c:\program files
(x86)\embarcadero\studio\19.0\include";"C:\Program Files (x86)\Embarcadero\Studio\19.0\source\AlphaControls\DX10Tokyo";"C:\Program Files
(x86)\Embarcadero\Studio\19.0\source\AlphaControls\AlphaDB" -R"c:\program files (x86)\embarcadero\studio\19.0\Imports";
C:\Users\Public\Documents\Embarcadero\Studio\19.0\Dcp;"c:\program files (x86)\embarcadero\studio\19.0\include";"C:\Program Files
(x86)\Embarcadero\Studio\19.0\source\AlphaControls\DX10Tokyo";"C:\Program Files (x86)\Embarcadero\Studio\19.0\source\AlphaControls\AlphaDB"
-U"c:\program files (x86)\embarcadero\studio\19.0\Imports";C:\Users\Public\Documents\Embarcadero\Studio\19.0\Dcp;"c:\program files
(x86)\embarcadero\studio\19.0\include";"C:\Program Files (x86)\Embarcadero\Studio\19.0\source\AlphaControls\DX10Tokyo";"C:\Program Files
(x86)\Embarcadero\Studio\19.0\source\AlphaControls\AlphaDB" -K00400000 --description:"AlphaControls run-time library"
-NBC:\Users\Public\Documents\Embarcadero\Studio\19.0\Dcp -NHC:\Users\Public\Documents\Embarcadero\Studio\19.0\hpp\Win32 -NO.\Win32\Release
acntDX10Tokyo_R.dpk
[dcc32 Fatal Error] acntDX10Tokyo_R.dpk(32): E2202 Required package 'vcl' not found
Failed
Elapsed time: 00:00:00.4