Installing new software like Visual Studio, SQL Management Studio, and SVN on a new machine should typically not require existing users to be logged off from these applications on their own machines. However, there are a few considerations to keep in mind: 1. Concurrency: Some software applications may conflict when they attempt to access the same system resources simultaneously. This can lead to unexpected behavior or errors. However, it's unlikely to be a problem in this scenario since the new developer's machine is a separate and independent system. 2. License Limitations: Some software licenses restrict the number of concurrent installations or users. Ensure that your software licenses allow for the additional...