Installing

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?

Related Categories:

Updating Payroll and Tax Tables

Learn how to update and troubleshoot errors related to payroll and tax tables.

Updating Print & Mail Reports

Learn how to update and troubleshoot errors related to Print & Mail Reports.