Forever, for the major version you bought. StartIsBack does not use a subscription model. However, if a new Windows 10 feature update (e.g., 22H2) breaks compatibility, the developer may release a v3.0, which would be a paid upgrade.
: Allows for centered or split icons, transparent taskbars, and the restoration of the "Classic" taskbar look.
Before diving into keys, a quick recap. StartIsBack (often abbreviated as SIB) is a lightweight software utility created by a developer known as Tihiy . Unlike bulky shell replacements, SIB patches the existing Windows Explorer process to restore a true, pixel-perfect classic Start Menu.