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Chapter 2. Installing and Upgrading Wind... > Installing Windows 95 on a New Syste... - Pg. 25

Installing and Upgrading Windows 95 25 If you have installed a substitute shell for Program Manager, such as Norton Desktop for Windows, you should remove it. Edit the SHELL= line in the [boot] section of SYSTEM.INI to read SHELL=PROGMAN.EXE. Defragment your hard drive before running the Setup program, and clean out any existing Program Manager groups and icons that you no longer need. Windows 95 will detect existing Windows 3. x configuration details, such as real-mode device drivers, and carry them for- ward if necessary. Any Program Groups you have created in Windows 3. x will appear as items on the Windows 95 Start menu. To start Windows 95 Setup from within Windows 3. x, open Program Manager and choose File, Run from the main Program Manager menu. Windows displays the Run dialog box. Type a:setup and click OK to begin the installation process. From that point forward, the procedure is the same as described in the next section. Installing Windows 95 on a New System or Hard Drive Before you can install a fresh, clean copy of Windows 95, you must be able to boot to an MS-DOS prompt, and you must have a formatted hard disk. If you need instructions on how to create and format a partition, see Setting Up OSR2 from Scratch in the preceding section. Note that a startup disk created by the original release of Windows 95 supports FAT16 partitions only. Although Windows 95 Setup generally does a good job of configuring most systems, you can save time and trouble by preparing your machine for installation. Before you begin the Setup process, determine if you are installing Windows from an existing MS-DOS prompt or reformatting your hard disk and doing a clean install. The following sections help you prepare for installing Windows 95. Preparing Your System for Windows 95 Setup You need to take several steps before running Windows 95 Setup. Before you install Windows 95, make sure you do each of the following: · Confirm that your system meets the minimum Windows 95 hardware and software requirements, as listed at the beginning of this chapter. · Confirm the boot drive sequence for your system. · Confirm that you have a working boot floppy disk for your current operating system configuration. · Back up critical data and configuration files, if necessary (a complete system backup is prefer- red). · Know the location of all required drivers for any peripherals, including network interface cards. · Know all the usernames and passwords you'll need to log in to your network. · Disable all memory-resident programs (loaded in AUTOEXEC.BAT and CONFIG.SYS files). · Disable antivirus programs, screen savers, disk scan utilities, and any similar programs. · Disable third-party memory managers. Although this list might seem like a lot to do before you can upgrade to Windows 95, bear in mind that changing the operating system on your computer is no small matter. In fact, you should follow most of these procedures before making any major change in hardware or software. Anything less is simply begging to fall victim to Murphy's Law of Personal Computing: If anything can go wrong, it's most likely to do so when you don't have a recent backup or a boot disk.