Summary

154 IT Essentials: PC Hardware and Software Companion GuideLab 5.5.4: Install Third-Party SoftwareIn this lab, you will install and remove a third-party software application by using theMicrosoft Windows XP Professional Installation CD. You will install the CITRIX ICA 32-bit Windows Client application. Refer to the lab in IT Essentials: PC Hardware andSoftware Labs and Study Guide, Third Edition (ISBN 1-58713-198-6). You can perform thislab now or wait until the end of the chapter.Describe Upgrading an Operating SystemSometimes it can be necessary to upgrade an operating system. Before upgrading the operatingsystem, check the minimum requirements of the new operating system to ensure thatthe computer meets the minimum specifications required. Check the HCL to ensure that thehardware is compatible with the new operating system. Back up all data before upgradingthe operating system in case there is a problem with the installation.The process of upgrading a computer system from Windows 2000 to Windows XP is quickerthan performing a new installation of Windows XP. The Windows XP setup utilityreplaces the existing Windows 2000 files with Windows XP files during the upgradeprocess. However, the existing applications and settings will be saved.Table 5-6 shows the possible upgrades for Windows 98, NT, and 2000.Table 5-6Operating System UpgradesOS to Upgrade To Windows NT To Windows 2000 To Windows XPWindows 98 No Yes YesWindows NT — Yes YesWindows 2000 — — YesThe steps to upgrade to the Windows XP operating system are as follows:How ToStep 1.Step 2.Step 3.Step 4.Insert the Windows XP CD into the CD-ROM drive to start the upgrade process.Choose Start > Run.In the Run box, where D is the drive letter for the CD-ROM, typeD:\i386\winnt32 and press Enter. The Welcome to the Windows XP SetupWizard displays.Choose Upgrade to Windows XP and click Next. The License Agreement pagedisplays.Read the license agreement and click the button to accept this agreement.