Go to the Element Desktop Download page, and follow the installation instructions for your Linux distribution and version.
Launch the installed desktop client.
On the welcome screen, click the Sign In button.
Check the Change link to use the Efficient Documents homeserver.
Set Homeserver URL to https://matrix.efficientdocuments.com/.
Click the Sign in with single sign-on button.
You’ll be prompted for your Efficient Documents account credentials. Enter your Efficient Documents account credentials and click Log In
If you have Two-Factor Authentication (2FA) enabled for your Efficient Documents account, you may also be prompted for a TOTP.
That’s it! The app should be logged in and ready to use.
For more information about the Element desktop app, see the Element Help & FAQs page