To learn Salesforce for free, use Trailhead:
https://trailhead.salesforce.com/
Kindly use the below link to sign up Developer Edition to get hands on experience
Check the below workbooks for practice
Workbooks:
To learn Salesforce for free, use Trailhead:
https://trailhead.salesforce.com/
Kindly use the below link to sign up Developer Edition to get hands on experience
Check the below workbooks for practice
Workbooks: