Open your Salesforce platform
Click on "MyGuide" button in bottom left corner.
Click on any guide name
Click on "GuideMe or DoItForMe" button
Read the note and click on "Add" button and it opens in a new tab to install Chrome player
Click on "Add to Chrome"
Click on "Add extension"
Here, you can see EdCast MyGuide Player has been installed on your Chrome Browser successfully!
After installing the player extension, refresh your page click on "MyGuide" button in the bottom left corner
Try to play the same guide in "GuideMe or DoItForMe" mode and you can see the effective way of learning.