: Use applications like WinRAR , 7-Zip , or WinZip to decompress the archive.
: Typically denotes the product series or manufacturer code (e.g., related to specific display drivers or hardware modules). 0.21e : Represents the version number of the software. 20220727 : Indicates the release date of July 27, 2022 . Handling and Usage
Do you have the of the device you are trying to update with this file?
How To Check Your DSLR's Firmware Version and Find an Update