@jmccoy555 I just used it on an AlmaLinux OS 8.3 and it installed great.

/mnt/cdrom/Linux/install.sh
Detected `AlmaLinux release 8.3 (Purple Manul)' (almalinux version 8).

The following changes will be made to this Virtual Machine:
  * packages to be installed/upgraded:
    - xe-guest-utilities-7.20.0-7.x86_64.rpm
    - xe-guest-utilities-xenstore-7.20.0-7.x86_64.rpm

Continue? [y/n] y

Verifying...                          ################################# [100%]
Preparing...                          ################################# [100%]
Updating / installing...
   1:xe-guest-utilities-xenstore-7.20.################################# [ 50%]
   2:xe-guest-utilities-7.20.0-7      ################################# [100%]

You should now reboot this Virtual Machine.