The following steps will help you in installing Apache:
Step1: Double click the Apache 1.3.31 .exe file.
Step2: An installation wizard will appear, Click Next.
Step3: In the License Agreement, click the radio button, I agree the terms in the license agreement and select Next button.
Step4: Again click Next in Read This First wizard.
Step5: In the server information wizard, Enter the Network Domain as localhost.com, the Server Name as www.localhost.com and the Administrator's Email Address as firstname.lastname@example.org.
Step6: The most recommended way to run apache is, as a service, so by default the radio button will be selected as Run as a service for All Users -- Recommended. If you want to run the apache manually, you can select the below radio button.
Step7: After filling the details, select the Next button.
Step8: In the Setup Type wizard, by default Complete will be selected, so proceed with Next.
Step9: The destination folder will be selected under your Program Files, so proceed with Next.
Step10: Then again click Install to begin the installation.
Step11: Now Apache HTTP Server 1.3.31 will be installed successfully. Click Finish to exit the wizard.
Step12: Now open your browser and enter localhost in your address bar, you can see a test page for Apache Installation.
Note: If the test page is not seen, you might have gone wrong somewhere. Start installing again.