Salesforce DX Setup Guide

Before You Begin
System Requirements
Enable the Dev Hub in Your Org
Enable Second-Generation Packaging (Beta)
Add Salesforce DX Users
Install the Salesforce CLI
Use the Salesforce CLI from Behind a Company Firewall or Web Proxy
Update the CLI
Uninstall the CLI Binary or Plug-In
Sample Source in GitHub
Next Steps
PDF

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Update the CLI

If you want to ensure that you are running the latest version of Salesforce CLI, you can manually update it.

If You Installed the Salesforce CLI Using the Installer

By default, the CLI periodically checks for and installs updates. To disable auto-update, set the SFDX_AUTOUPDATE_DISABLE environment variable to true.
To install the latest Salesforce CLI version, run:

If You Installed the Salesforce CLI Using npm

The auto-update option is not available. To update the Salesforce CLI using npm, run:

Windows: Improve CLI Update Speed

Anti-virus software, such as Windows Defender, slows a CLI update because it scans all the files as they are downloaded. To improve the update speed, add the %LOCALAPPDATA%\sfdx directory to the list of directories that are excluded from the scan. We recommend that you consult your security administrator before making this configuration change.