//Denna rad läger du in under uses
Registry;

//Denna rad lägger du in under knappen
var
MyList: TStringList;
MyRegistry: TRegistry;
i: Integer;
Str: string ;
begin
MyRegistry:=TRegistry.Create;
MyList:=TStringList.Create;
with MyRegistry do
begin
RootKey:=HKEY_LOCAL_MACHINE;
if OpenKey(
'Software\Microsoft\Windows\CurrentVersion\Uninstall',
False)=True then GetKeyNames(MyList);
CloseKey;
for i:=0 to MyList.Count-1 do
begin
RootKey:=HKEY_LOCAL_MACHINE;
OpenKey(
'Software\Microsoft\Windows\CurrentVersion\Uninstall\'+
MyList[i],
False);
Str:=ReadString('DisplayName');
if Str<>'' then
Memo1.Lines.Add(ReadString('DisplayName'));
CloseKey;
end;