Go to MyHeritage.com and select, Sign Up. You'll be asked for your first and last name, gender, email, parents names if you know them, then you'll select Continue. You have the option to upload a GEDCOM file (a type of file for family trees, but with a free MyHeritage account you're limited to 250 people so only use this feature if your GEDCOM file has fewer than 250 people).
You'll be brought to a page where it looks like you're signing up for a free trial and in 14 days will be switched to a subscription and you need to put in a credit card. DON'T put in a credit card if you want the free account.
Click on the MyHeritage logo and you'll be brought to your free account. They'll have prebuilt your three person …