The version number and build you're referring to indicate a specific release within the Office 2021 lifecycle. The "2203" part typically represents the date of the update (March 2022), and the build number provides more granular detail about the specific iteration of the software.
: Find and run the setup.exe file. You may need to allow the program to make changes to your device. The version number and build you're referring to
: Real-time simultaneous editing on documents stored in OneDrive. System Requirements (x86) You may need to allow the program to
The keyword “multilingualzip” suggests a single ZIP archive containing a repacked installer. This is not how Microsoft distributes Office. The official installer uses .img (ISO) files distributed via VLSC or the Microsoft Account portal for retail purchases. This is not how Microsoft distributes Office
or similar, with a Microsoft-signed digital certificate.
The keyword you provided — build 1502820204 — is . It appears to be a fabricated number common in cracked releases where the cracker modifies the version string to avoid detection or add fake exclusivity.