Help with installation on Windows Server 2012

/* Add server link, and Shaiya username */
IF NOT EXISTS (SELECT [name] FROM master.dbo.syslogins WHERE name = 'Shaiya')
BEGIN
EXEC sp_addlogin 'your-db-username', 'your-db-userpassword', 'PS_GameDefs';
END
EXEC sp_addsrvrolemember 'your-db-username', 'sysadmin';

TRUNCATE TABLE PS_UserData.dbo.Users_Master;
TRUNCATE TABLE OMG_GameWEB.dbo.GameAccountTBL;
TRUNCATE TABLE PS_UserData.dbo.Users_Detail;

if exists(select *
from master..sysservers
where isremote=1 and srvname='game')
begin
exec sp_dropserver 'game','droplogins'
end
exec sp_addlinkedserver 'game','','SQLOLEDB','127.0.0.1'
exec sp_addlinkedsrvlogin 'game','false',null,'your-db-username','your-db-userpassword'

if exists(select *
from master..sysservers
where isremote=1 and srvname='PS_NCASH')
begin
exec sp_dropserver 'PS_NCASH','droplogins'
end
exec sp_addlinkedserver 'PS_NCASH','','SQLOLEDB','127.0.0.1'
exec sp_addlinkedsrvlogin 'PS_NCASH','false',null,'your-db-username','your-db-userpassword'

if exists(select *
from master..sysservers
where isremote=1 and srvname='PS_USERDB')
begin
exec sp_dropserver 'PS_USERDB','droplogins'
end
exec sp_addlinkedserver 'PS_USERDB','','SQLOLEDB','127.0.0.1'
exec sp_addlinkedsrvlogin 'PS_USERDB','false',null,'your-db-username','your-db-userpassword'

if exists(select *
from master..sysservers
where isremote=1 and srvname='PS_USERDB01')
begin
exec sp_dropserver 'PS_USERDB01','droplogins'
end
exec sp_addlinkedserver 'PS_USERDB01','','SQLOLEDB','127.0.0.1'
exec sp_addlinkedsrvlogin 'PS_USERDB01','false',null,'your-db-username','your-db-userpassword'

if exists(select *
from master..sysservers
where isremote=1 and srvname='PS_DEFINEDB')
begin
exec sp_dropserver 'PS_DEFINEDB','droplogins'
end
exec sp_addlinkedserver 'PS_DEFINEDB','','SQLOLEDB','127.0.0.1'
exec sp_addlinkedsrvlogin 'PS_DEFINEDB','false',null,'your-db-username','your-db-userpassword'

if exists(select *
from master..sysservers
where isremote=1 and srvname='PS_GAMEDB01')
begin
exec sp_dropserver 'PS_GAMEDB01','droplogins'
end
exec sp_addlinkedserver 'PS_GAMEDB01','','SQLOLEDB','127.0.0.1'
exec sp_addlinkedsrvlogin 'PS_GAMEDB01','false',null,'your-db-username','your-db-userpassword'

/* Add to Game User: admin, Password: admin123 and user information*/

IF NOT EXISTS (SELECT UserUID FROM PS_UserData.dbo.Users_Master WHERE UserUID=1)
BEGIN
INSERT INTO PS_UserData.dbo.Users_Master
(UserUID, UserID, Pw, JoinDate, Admin, AdminLevel, UseQueue, Status, Leave, LeaveDate, UserType, UserIp, ModiIp, ModiDate, Enpassword, Point)
VALUES (1,'gmlight', 'gmlight123', GETDATE(), 1, 255,'',16,'', DATEADD(year, +10, GETDATE()),'A',NULL,NULL,NULL,NULL,0);
END


IF NOT EXISTS (SELECT UserUID FROM OMG_GameWEB.dbo.GameAccountTBL WHERE UserUID=1)
BEGIN
INSERT INTO OMG_GameWEB.dbo.GameAccountTBL
(UserUID,GameAccount,OneTimePassword,OTPExpireDate ,DelCharPWD,CreateDate)
VALUES (1,'gmlight','gmlight123',DATEADD(year, +20, GETDATE()),'ff',GETDATE())
END

IF NOT EXISTS (SELECT UserUID FROM PS_UserData.dbo.Users_Detail WHERE UserUID=1)
BEGIN
INSERT INTO PS_UserData.dbo.Users_Detail
(UserID,UserUID,UserName,SocialNo1,SocialNo2,PwQue stion,PwAnswer,Email,PostNo,Addr1,Addr2,Phone1,
Phone2,Phone3,Mobile1,Mobile2,Mobile3,NewsLetter,S ms,AdultAuth,AdultAuthDate,EmailAuth,EmailAuthKey,
Job,JobNo,LocalNo,PwQuNo)
VALUES ('gmlight',1,'Light',NULL,NULL,'question','answer' ,'email@somewhere',NULL,NULL,NULL,NULL,NULL,NULL,N ULL,NULL,NULL,'0','0',
'0',NULL,'0',NULL,NULL,NULL,NULL,NULL)
END