As of 2015, Java 1.7 version 45 can be downloaded from the Java SE Archive Downloads page on the Oracle website. An individual must have a free Oracle account to download the Java Development Kit or the Java Runtime environment. Alternatively, version 45 can also be downloaded from FileHippo.
As of 2015, Oracle's Java Archive Downloads page offers older versions of Java for Linux, Mac OS X, Solaris and Windows. The Java Development Kit, Java Runtime Environment and the Server JRE are available for download. After locating version 45 on the Archive Downloads page, click the button to accept the license agreement, click on the download link, and then log into an Oracle account to download the software.
Java 1.7 version 45 for Windows can also be found on FileHippo. After locating version 45 on the website, download it by clicking the Download This Version button.