TextExpander.com Subscription Versions:
TextExpander 6.x for Mac requires macOS 10.13 or later.
TextExpander 1.x for Windows requires Windows 7, Windows 8, or Windows 10 with latest service packs.
TextExpander touch 4 for iOS requires iOS 11 or later.
Stand-Alone versions:
TextExpander 5 requires OS X 10.10 or later.
For OS X 10.9, 10.8, or 10.7, please download TextExpander 4.3.6.
For OS X 10.6.x, please download TextExpander 3.4.2.
For OS X 10.4.x - 10.5.x, please download TextExpander 2.8.1.
For OS X 10.3.9, please download TextExpander 1.3.1.
For PowerPC G3 support on OS X 10.4.x - 10.5.x, please download TextExpander 2.5.