If you want a non-subscription version, Office 2021 is the modern equivalent of Office 2010. Costs around $150 and works on Windows 10 or 11.
Google Docs, Sheets, and Slides are cloud-based and free with a Google account. minikmsactivatorv11office2010vleng 2021
A mature, capable alternative that opens and saves Microsoft Office file formats. No activation, no malware, no cost.
👉 libreoffice.org If you want a non-subscription version, Office 2021