4 Revision History

The following is a list of changes by version to this document.

Note: Some revision letters are not used, such as I and O, as they can be confused for numbers in some fonts, and so are generally skipped.

Revision Q (February 2025)

As of February 24, 2025, MPLAB XC Compiler licensing has changed. This includes changing the types of licenses offered. See Unified License for MPLAB XC Compilers.
1. About the Installer and License Manager: Removed FAQ reference and added Licensing reference.
2. Installing Your Compiler: Updated installer sections for screen captures and content.
2.2 Workstation Installation: Removed Dongle information.
2.3.1 Network Server/Client Overview: Updated format to better show components Server, Client and Licenses; also to match the section in the MPLAB® XC License Server Manual (DS-50002334.)
2.3.2 Install a Compiler and Connect Network Client to Network Server: Removed Site license information.
2.4 HPA Support: Added a description of what HPA is before it is discussed in later sections.
2.6 Dongle Compiler License: Removed section.
In 3. Licensing Your Compiler, the links to My Software has been changed to Microchip Purchasing and Client Services (Ecommerce), Software Products.
3.6 Renew or Apply Your HPA: Removed mention of Dongle license.

2.1.9 Completing Setup: Added MPLAB XC-DSC C Compiler (xc-dsc v3.00) to the list of compilers.

1. About the Installer and License Manager: In the “XC Installer” section, added “Thread Safety Check” to “MPLAB Analysis Tool Suite” license and removed “MPLAB Code Coverage” license as it has been obsoleted Sept 1, 2022.
2.1.4 License Type: The following sentence has been removed: “A Functional Safety license or MPLAB Code Coverage may be installed on a workstation only, so that is the only type available for these licenses. Therefore this screen does not appear.” MPLAB XC PRO Functional Safety Network Server Licenses are now available and the “MPLAB Code Coverage” license has been obsoleted Sept 1, 2022.

Minor changes made throughout for updates to web links and operating systems.
1. About the Installer and License Manager: Added MPLAB Analysis Tool Suite license under “XC Installer.”
2.3.1 Network Server/Client Overview: Added information on Functional Safety compiler versions.

This is the first inclusion of this section in the document. The list below highlights document updates from rev K.

1. About the Installer and License Manager: In the “XC Installer” section, added bullet about functional safety.
2.1 Basic Compiler Installation: 2.1.1 “Installation Considerations” moved under this section, changing section numbering. 2.2.1 “Windows OS Warning” removed as no longer needed.
2.1.1 Installation Considerations: Deleted 2.1.3. “64-Bit Linux Customers” as content no longer needed with 64-bit MPLAB XC C compilers.
2.1.9 Completing Setup: MPLAB XC Compiler paths updated for 64-bit compilers.
2.3.1 Network Server/Client Overview: Update to specify that 60-minute delay only applies to shared licenses.
2.4 Upgrading the Compiler: MPLAB XC8 Compiler path updated for 64-bit compiler. Also added that HPA renewal keeps PRO optimizations active.
2.5 Uninstalling the Compiler: Simplified “Launch Uninstaller” instructions.
3.3.2 Access MySoftware from MPCS: Section removed.
3.3.4 Activate License and Download License File: Fix numbering.
3.6 Renew or Apply Your HPA: Under “HPA Renewal via Paper Copy,” update under “To apply your HPA to a compiler.”
Section links in first Chapter topic removed. Other minor text updates.