If your and Alt keys have switched places after an update, you can often revert the mapping by pressing the Fn + S (Mac mode) or Fn + A (Windows mode) keyboard combinations. To provide more tailored advice, could you let me know:
: Inside, you will find an updater usually named GS87C_87键机械_V1.10_...exe .
Are you currently experiencing (e.g., keys not working in Linux)? Are you looking to remap specific keys using this software?