The software will never expire once activated.
FolderSizes 9 uses a "Buy Once, Use Forever" model with perpetual licenses. Standard pricing for the Pro edition includes: $60.00 USD per computer/user. foldersizes 9 license key
Ranges from $700 to $2,200 for unlimited users in specific regions. The software will never expire once activated
Licenses can be purchased directly through the official FolderSizes order page . Why Version 9 Requires a Valid Key foldersizes 9 license key