GameSir Nexus
Note: Gamesir Nexus is the dedicated software for
G7/G7 SE/G7 HE/T7/Kaleid/Kaleid Flux exclusively.
The GameSir Nexus software brings more customization to GameSir Xbox-licensed controllers. Create controller profiles by mapping buttons, tweaking D-pad diagonal, fine-tuning sticks & triggers and configuring vibration level. Save up to 3 profiles and use any your preference for each game. The software also allows you to update firmware for your controller.
Download on Microsoft Store on PC/Xbox

If you can't download through Microsoft Store, you can manually install the software according to the instruction:
System requirement: Win 10 above ; System code : 22H2 above
Step 1: Download file
Step 2: Unzip the folder and double-click "HJC.Xboxapp.Gamesir" program.
Step 3: Install certificate
First click "Install certificate"
Secondly, choose "Local Machine" and click Next
Thirdly, click "Place all certificates in the following store
Lastly,Click Browse and choose " Trusted Root Certificate Authorities"
Click Finish to finish the certificate installation step
Step 4: Install software
Double click the Installation file and click install