Please note that you DO NOT need to return your E4991B to Keysight service center for updating the firmware. The E4991B firmware upgrade can easily be performed on your own with the information and tools available on this Web page.

Keysight recommends using the most current version, which includes the most up-to-date bug fixes and security patches available.
Release Date Version Version Description
2023-08-29 A.02.16 E4991B Firmware Revision A.02.16
Release Date Version
2023-08-29 A.02.16
Version Description
E4991B Firmware Revision A.02.16

How to Download

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

How to Install

  • Extract the files by selecting the temporary directory and unzip the .exe files by double-clicking on the file.

Licensing

  • Does Not Require a License

Supporting Documentation

Download

Installs on: Instrument

Operating System

  • Windows 7
  • Windows 10

Prerequisites

  • No specific prerequisites.

Supported Instruments

  • E4991B

How to Download

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

How to Install

  • Extract the files by selecting the temporary directory and unzip the .exe files by double-clicking on the file.

Licensing

  • Does Not Require a License

Supporting Documentation

Download

Installs on: Instrument

Operating System

  • Windows 7
  • Windows 10

Prerequisites

  • No specific prerequisites.

Supported Instruments

  • E4991B

How to Download

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

How to Install

  • Extract the files by selecting the temporary directory and unzip the .exe files by double-clicking on the file.

Licensing

  • Does Not Require a License

Supporting Documentation

Download

Installs on: Instrument

Operating System

  • Windows 7
  • Windows 10

Prerequisites

  • No specific prerequisites.

Supported Instruments

  • E4991B

Related Links

How to Download

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

How to Install

  • Extract the files by selecting the temporary directory and unzip the .exe files by double-clicking on the file.
     

Licensing

  • Does Not Require a License

Supporting Documentation

Download

Installs on: Instrument

Operating System

  • Windows 7

Prerequisites

  • No specific prerequisites.

Supported Instruments

  • E4991B

Related Links

How to Download

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

How to Install

  • Extract the files by selecting the temporary directory and unzip the .exe files by double-clicking on the file.

Licensing

  • Does Not Require a License

Supporting Documentation

Download

Installs on: Instrument

Operating System

  • Windows 7

Prerequisites

  • No specific prerequisites.

Supported Instruments

  • E4991B

Related Links

How to Download

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

How to Install

  • Extract the files by selecting the temporary directory and unzip the .exe files by double-clicking on the file.
     

Licensing

  • Does Not Require a License

Supporting Documentation

Download

Installs on: Instrument

Operating System

  • Windows 7

Prerequisites

  • No specific prerequisites.
     

Supported Instruments

  • E4991B

Related Links

How to Download

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

How to Install

  • Extract the files by selecting the temporary directory and unzip the .exe files by double-clicking on the file.

Licensing

  • Does Not Require a License

Supporting Documentation

Download

Installs on: Instrument

Operating System

  • Windows 7

Prerequisites

  • Information Not Available

Supported Instruments

  • E4991B

Related Links

How to Download

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

How to Install

  • Extract the files by selecting the temporary directory and unzip the .exe files by double-clicking on the file.

Licensing

  • Does Not Require a License

Supporting Documentation

Download

Installs on: Instrument

Operating System

  • Windows 7

Prerequisites

  • Information Not Available

Supported Instruments

  • E4991B

Related Links

SHOW MORE