Install Rad Studio XE7 or XE8 on Windows xp

Steps you need to follow for installing RAD Studion on Windows XP

0. Open %TEMP% folder and delete old files/folders.
1. Run XE7 Update 1 Setup (Delphi / RAD) - wait till it shows language selection dialog - leave it open.
2. Open %TEMP% folder and look for "mia1" folder.
3. Delete file "ETTracker.dll" in that folder (Alternative would be to replace it with XE7 RTM version, but seems worked ok with deleting too..)
4. Click OK in language selection dialog.