: Features the XLOOKUP function for faster data retrieval and Dynamic Arrays for formulas that return multiple values.
https://www.microsoft.com/en-us/software-download/office/office-2021-pro-plus-16-link
Many unauthorized guides mention "KMS activation" (Key Management Service). While KMS is a legitimate Microsoft technology for volume licensing, using a fake KMS server is illegal. Microsoft actively detects and disables these activations via security updates.