365 Personal. Thanks, I'll get her to subscribe.
No, you want to change, "upgrade", your subscription from Personal to Family. Then you can give her (and up to 4 other people) a "free" share to use. That gives each of you fully licensed 365. Plus simply switching using 365 Family instead of 2 365 Personal subscriptions you are SAVING approx US$38 per year!
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All you have to do us rent and activate a 365 subscription using your current email account. The 1 year of Family time will be added to your current expire date and all of that time will be "family time" (yes, that is a bonus for you ... think about it ... "wink, wink, nudge, nudge, say no more, say no more ..." )
https://www.youtube.com/watch?v=4Kwh3R0YjuQ
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Share your Microsoft Share 365 Family subscription
https://support.microsoft.com/en-us/office/share-your-microsoft-365-family-subscription-b389b9ce-3ae3-4a82-9017-39d79972fcba
How to correctly “Share” 365 Family with up to 5 other people.