Prerequisites

• An installation of the P4VFS client-side agent. To learn more, see Install and upgrade.

• Windows 10.1709 or later, or Windows 11.

• Client application, such as P4V 2023.2 (or later) or P4 2023.1 (or later).

• P4 Server 2023.1 (or later) with the P4ALTSYNC environment variable set.
  To verify the value of P4ALTSYNC, use the p4 set command.

  • Installing P4 VFS automatically sets this environment variable to the default agent:
    
    P4ALTSYNC=pipe:\\\\.\\pipe\\local\\P4VirtualFileService

• A 2024.2 (or later) P4 Server and a 2024.2 (or later) P4 client is required if you want to Specify hotfiles that don't create placeholders.

• A client application workspace with the altsync property enabled.

  • If you are using P4 Visual Client (P4V), see Enable P4V .

  • If you are using the P4 command line, see Enable P4.

• If you want to use a custom agent instead of the P4 VFS client-side agent, see Prerequisites for your custom agent under Optional: Custom development.