Download and purchase a lifetime license for TPM now for only $39.
Download the install file for the version you need, either Teacher's Personal Markbook for OS X for the Mac, or Teacher's Personal Markbook for Windows for the PC.
Purchase a license key via PayPal with your Credit Card, you do not need to be a PayPal member.
After installing the program with either the Mac instructions or the PC instructions, run TPM and enter the special license code that is immediately emailed to you in the Register command in the Help menu and start discovering and getting the benefits of a modern markbook.
Teacher's Personal Markbook for OS X Lifetime License Amount: $39 AUD
Teacher's Personal Markbook for Windows Lifetime License Amount: $39 AUD
For more details about purchasing, please click on this link for Mac, or this link for PC.