For users who must use the desktop application, Microsoft provides two primary official paths: Microsoft Store vs online download - Power BI forums
(for paginated reports) is lighter and can be run from a folder after installation, then copied. It’s not truly portable, but closer than Power BI Desktop. power bi portable version exclusive
The Hidden Dangers of Third-Party "Exclusive" Portable Visualizers For users who must use the desktop application,
If you need to access Power BI across multiple machines without standard desktop installations, you do not need to risk your data security. Microsoft provides several native, cloud-first alternatives that offer the exact flexibility you are looking for. 1. The Power BI Service (Cloud Authoring) Clean Machine: No registry clutter
Misses out on quick Microsoft Store updates. Clean Machine: No registry clutter.
Since Microsoft won't provide it, the community and third-party "repackagers" have stepped in. The term in this context usually refers to repackaged, pre-activated, or virtualized versions of Power BI Desktop that bypass the standard installer.