Open your web browser.
Go to the official Quicken website.
Choose the Quicken plan you want (Starter/Deluxe/Premier/etc.).
Click Buy Now or Download for that plan.
Sign in or create a Quicken ID if prompted.
Click the Download Quicken button to start the quicekn download.
Wait for the installer file to finish downloading.
Open the downloaded installer file (e.g., Quicken.exe or Quicken.dmg).
Follow the on-screen instructions to install Quicken.
Launch Quicken and sign in with your Quicken ID.
Add your bank accounts and complete initial setup.