Search Our Knowledgebase (Mac)
Initial Installation and Opening the Payroll Program »
Learn how to install and run Aatrix Top Pay / Ultimate / Paycheck on your Mac.
Steps for Starting a "New Company" »
Learn how to get started with the program by setting up a "New Company".
Installing Upgrades; Reinstalling the Program »
Read on how to upgrade to newer versions / re-install our software.
Moving Payroll to a New Computer »
Read on what to do when moving your payroll program and database backup to a new computer.
New Installation "Error: Application may be damaged" »
Learn how to troubleshoot this error.
Multiple User / Server Installation »
FAQ: Can the program be installed on a server or have multiple users that access the same database?