Depending on your eligibility you may have access to Microsoft 365 ProPlus, which allows the installation of subscription-based desktop versions of Office apps such as Word, PowerPoint, Excel, Outlook, Teams and OneDrive. You can also get Skype for Business as a separate download from the Apps & devices section.
Please confirm your Microsoft 365 ProPlus access eligibility by consulting this article: Microsoft 365 Licensing – Toolkit overview and eligibility.