Go to “create account” in SAFE Browser
Click Continue
Paste in the Invite Code
Click Continue
Choose a longish word / string for the account secret and confirm it
Click Continue
Choose a longish word / string for the account password and confirm it (you can use the same one as the account secret if you want)
You’re in.
If you get an error message (see above) make sure you have set your IP address at https://invite.maidsafe.net/