Question

how much safe is java to install on a 32 bit computer windows 8.1 and ram 2 GB

Answer 1

Answer:

most of the programs are now made for 64 bit but yeah it is safe af

i have tried windows xp to windows 8.1 and after xp all from 64 bit also

Fun-Fact- Theres also a Windows named windows 9 after the release of Windows 8.1 and windows did not promoted it. but still millions of peoples searched it.

Answer 2

The system requirements information on this page represents a subset to provide overview of supported browsers and operating systems.

Java 8 System Requirements

Detailed information on system requirements for Java 8 are available at Java 8 Supported System Configurations.

Windows
Windows 10 (8u51 and above)
Windows 8.x (Desktop)
Windows 7 SP1
Windows Vista SP2
Windows Server 2008 R2 SP1 (64-bit)
Windows Server 2012 and 2012 R2 (64-bit)
RAM: 128 MB
Disk space: 124 MB for JRE; 2 MB for Java Update
Processor: Minimum Pentium 2 266 MHz processor
Browsers: Internet Explorer 9 and above, Firefox
Mac OS X
Intel-based Mac running Mac OS X 10.8.3+, 10.9+
Administrator privileges for installation
64-bit browser
A 64-bit browser (Safari, for example) is required to run Oracle Java on Mac.


Linux
Oracle Linux 5.5+1
Oracle Linux 6.x (32-bit), 6.x (64-bit)2
Oracle Linux 7.x (64-bit)2 (8u20 and above)
Red Hat Enterprise Linux 5.5+1, 6.x (32-bit), 6.x (64-bit)2
Red Hat Enterprise Linux 7.x (64-bit)2 (8u20 and above)
Suse Linux Enterprise Server 10 SP2+, 11.x
Suse Linux Enterprise Server 12.x (64-bit)2 (8u31 and above)
Ubuntu Linux 12.04 LTS, 13.x
Ubuntu Linux 14.x (8u25 and above)
Ubuntu Linux 15.04 (8u45 and above)
Ubuntu Linux 15.10 (8u65 and above)
Browsers: Firefox
Solaris System Requirements
See supported Java 8 System Configurations for information about supported platforms, operating systems, desktop managers, and browsers.


Java 7 System Requirements

Detailed information on Java 7 system requirements are available at Java 7 Supported System Configurations.

Windows
Windows 10 (7u85 and above)
Windows 8.x (Desktop)
Windows 7 SP1
Windows Vista SP2
Windows Server 2008 SP2 and 2008 R2 SP1 (64-bit)
Windows Server 2012 (64-bit) and 2012 R2 (64-bit)
RAM: 128 MB; 64 MB for Windows XP (32-bit)
Disk space: 124 MB
Browsers: Internet Explorer 7.0 and above, Firefox 3.6 and above
Note: As of April 8, 2014 Microsoft stopped supporting Windows XP and therefore it is no longer an officially supported platform. Users may still continue to use Java 7 updates on Windows XP at their own risk, but support will only be provided against Microsoft Windows releases Windows Vista or later. See Third Party Vendor-Specific Support Terms on Oracle Software Technical Support Policies (pdf) for details.

Mac OS X
Intel-based Mac running Mac OS X 10.7.3 (Lion) or later.
Administrator privileges for installation
64-bit browser
A 64-bit browser (Safari, for example) is required to run Oracle Java on Mac.


Linux
Oracle Linux 5.5+
Oracle Linux 6.x (32-bit), 6.x (64-bit)3
Oracle Linux 7.x (64-bit)3 (7u67 and above)
Red Hat Enterprise Linux 5.5+, 6.x (32-bit), 6.x (64-bit)3
Red Hat Enterprise Linux 7.x (64-bit)3 (7u67 and above)
Suse Linux Enterprise Server 10 SP2, 11.x
Suse Linux Enterprise Server 12.x (7u75 and above)
Ubuntu Linux 10.04 and above
Browsers: Firefox 3.6 and above
Solaris System Requirements
See supported Java 7 System Configurations for information about supported platforms, operating systems, desktop managers, and browsers.

Notes

1 No JavaFX support
2 Only 64-bit JRE is supported
3 Only 64-bit JVM is certified.