When I share a library with a friend over the internet via the invite do they have to purchase

General Discussions
1

When I share a library with a friend over the internet via the invite do they have to purchase a plex subscription to watch movies?
The Microsoft app keeps asking to activate for 4.99 or the can only watch 1 minute of the movie

2

Read thru this:
https://support.plex.tv/hc/en-us/articles/202526943-Plex-Free-vs-Paid