Result
The result of this improvement activity is illustrated here.
The chart is based on the above survey summary chart. It shows where the performance of the reference PC (Core i5-4670, CPU Mark=5403, Win10) (white circles) is in the range of user PCs. Simultaneously, it shows where the improved performance of the reference PC (black stars) is.
According to the chart, it can be estimated that most PCs will have acceptable performance (less than 1 sec response) by applying PRs proposed in this activity.