You get an RSU by ordering
a current preventive service deliverable as you usually do,
for the products you need.
Use
ShopzSeries on the Web
for
z/OS and
OS/390 service.
When you place the order for your preventive service,
you'll get service for all the products
you specified in your profile. If you order service for
products we do not test in the CST environment, you'll still
get all the service specified in your profile.
In addition, you'll receive RSU ++ASSIGN statements for all
the service - both CST tested and non-CST tested service get
an associated RSU ++ASSIGN statement.
See Getting an RSU for
complete information on getting and installing recommended
service.