Answer:
Lisa should make an account.
Step-by-step explanation:
The MOF has two options of use, Lisa can:
1.- Download it for free.
2.- Pay for it, download it and get more tools on it (Mo 365)
After Lisa decided which one to use, she must make an account using her google mail, if she doesn´t have one she must make one.
Once she got her account she will be able to use it and save every document on her account and avoid that she did disappear.