"Come on," he muttered, clicking the link embedded in the software’s help menu.
If the authorization doesn't "stick," try running Excel as an administrator when you enter the code. mitcalc authorization code link
| Online Activation | Offline Activation | |-------------------|--------------------| | Click the link directly in the software. | Copy the link to a USB drive, open it on an internet-connected PC, download an .auth file. | | Instant, no files to manage. | Requires moving files between computers. | | Link expires after first use. | The .auth file is single-use but can be generated multiple times from the same link (if allowed by license). | "Come on," he muttered, clicking the link embedded