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Firefox 3.15 Free Download: The Ultimate Browser for Web Developers



A brand new stable Q4OS 4.6 version, codenamed 'Gemini' is immediately available for download and use in productive environments. This is a long-term support LTS release, to be supported for at least five years with security patches and software updates. Apart from numerous significant improvements and fixes, Q4OS Gemini enhances hardware support, making the operating system more stable and reliable.Q4OS Gemini is based on Debian Bullseye 11 and Plasma 5.20, optionally Trinity 14.0.10 desktop environment, and it's available for 64bit/x64 and 32bit/i686pae computers, as well as for older i386 systems without PAE extension. We are working hard to bring it for ARM devices as well.Desktop profiler, an exclusive Q4OS tool, has custom profiles support now, so a user can export the current desktop status snapshot, modify it and even create customized profiles on his own. Any profile is importable, so a user can import and apply it later on another hardware, getting a unique possibility of easy installation and configuration of the pre-defined set of applications and packages at once. In other words, a user easily gets a fresh operating system installation configured and ready to work with a minimal post installation effort. In addition, each desktop environment may keep its own applications profiles.One of the Q4OS specific goals is the ability to keep Plasma and Trinity desktops alongside each other installed. Users can switch back and forth between more advanced Plasma or efficient Trinity desktop. Both desktops can independently coexist side by side and don't interfere with each other. Plasma is being the logical primary choice for most of users, so it's considered to be the default option, which is also obvious from the Q4OS downloads site.The primary Q4OS aim is stability. We want to provide as stable as possible operating system for companies as well as for individuals. Once installed and configured, Q4OS will work reliably in a long standing way, getting security fixes and updates. Adopting a new feature into the core system could be committed in a highly exceptional cases only. We treat such possible cases as best as possible, doing testing and investigating consequences carefully before such a change.We will keep Q4OS free for everyone forever. Enjoy the operating system and feel free to download installation media images from the Downloads section of the Q4OS website.




firefox 3.15 free download



An update to Q4OS 3 Centaurus LTS has been released. The new 3.15 series receives the recent Debian Buster 10.10 update, updated Debian stable kernel and important security and bug fixes. This update brings along a few Q4OS specific improvements, fixes and a cumulative upgrade covering all the changes from the previous stable Q4OS 3 Centaurus release.Current users only need to perform a regular update to get all the new features. Anyone is welcome to download installation media images from the Downloads section of the Q4OS website.


Now that Debian Linux 11.0 Bullseye is frozen, it won't be long until the final release is announced, so Q4OS 4 Gemini testing branch is approaching the final contours too. The new Q4OS Gemini 4.4 release features Linux kernel 5.10 and Plasma desktop environment 5.20 by default. Trinity desktop environment version 14.0.10 is ready for installation using the Desktop profiler tool. Debian Bullseye packages has been received in their latest versions, Q4OS specific packages has been updated as well.Feel free to download live media for 64bit computers from the dedicated Testing releases site. Q4OS 4 Gemini will be in development until Debian Bullseye becomes stable, and it will be supported at least five years from the official release date.


An update to the Q4OS 4 Gemini testing branch is immediately available for download as 64bit live media. The new 4.2 release is based on Debian 11 Bullseye and features Plasma desktop environment by default. New visual Plasma themes have been added, they are now available in system settings utility. Debian Bullseye packages has been received in their latest version, Q4OS specific packages has been updated as well. New version of Trinity desktop 14.0.10 is ready for installation using the Desktop profiler tool.Feel free to download live media for 64bit computers from the dedicated Testing releases site. Q4OS 4 Gemini will be in development until Debian Bullseye becomes stable, and it will be supported at least five years from the official release date.


We are proud to announce a new major stable release of the Q4OS 3.10 Centaurus ARM port, optimized for the Raspberry Pi series of single board computers, including the newest Raspberry Pi 4 device. Q4OS for RPi desktop is based on the latest stable Raspbian Buster distribution and the Trinity desktop R14.0.7 most recent stable version, and it's one of a few Linux distributions offering the full desktop environment on the ARM architecture.Feel free to download the Q4OS RPi image from the Downloads section of the Q4OS website and install it on a SD card, please read the Installation guide. It's possible to buy preinstalled SD card in our e-shop too.Q4OS on Raspberry Pi performs at lightning speed due to its exceptionally low hardware requirements. All the native Q4OS features, for example 'Screen scaler', 'Desktop profiler' and 'Setup tool', are available and fully functional within the Raspberry Pi Q4OS edition.


We are happy to kick off development cycle of the Q4OS 4, the brand new major version codenamed 'Gemini'. The Debian 'Bullseye' development branch underlies Q4OS Gemini, which will be in development until Debian Bullseye becomes stable, and it's planned to be supported for five years from the official release date. Unlike previous installation media, Q4OS Gemini live media carries the full desktop software bundle, however a user can ask the Desktop profiler tool to strip the target system into one of predefined so called 'Software profiles' throughout the installation process.Feel free to download and try the new version out, bugs and glitches reporting would be very welcome, live bootable media are immediately available for download from the dedicated Testing releases page.Variety of hardware devices are supported, Q4OS is designed to drive the most modern laptops and desktops, as well as older computers. It comes with its own exclusive utilities and features, especially with the 'Desktop profiler' tool for profiling your computer into different professional working tools, 'Setup utility' for the smooth installation of third-party applications, a 'Welcome Screen' with several integrated shortcuts to make system configuration easier for novice users, XFCE, LXQT, Cinnamon and LXDE alternative desktop environments options and many more.


We are proud to announce the immediate availability of the brand new stable Q4OS 3.8 version, codenamed 'Centaurus'. This is a long-term support LTS release, to be supported for at least five years with security patches and software updates.The primary Q4OS aim is stability. As we want to provide as stable as possible operating system for companies as well as for individuals, once installed and configured, Q4OS will work reliably in a long standing way, getting security fixes and updates. Adopting a new feature into the core system could be committed in a highly exceptional cases only. We treat such possible cases as best as possible, doing testing and investigating consequences carefully before such a change.Q4OS Centaurus is based on Debian Buster 10 and Plasma 5.14, optionally Trinity 14.0.6, desktop environment, and it's available for 64bit and 32bit/i686pae computers, as well as for older i386 systems without PAE extension. We are working hard to bring it for ARM devices too.One of the Q4OS specific goals is the ability to have Plasma and Trinity desktop alongside each other installed. Users can switch back and forth between more advanced Plasma or efficient Trinity desktop. Both desktops can independently coexist side by side and don't interfere with each other. Plasma is being the logical primary choice for most of users, so it's considered to be the default option, which is also obvious from the Q4OS downloads site.We are coming with our own exclusive utilities and features, especially with the 'Desktop profiler' for profiling your computer into different professional working tools, 'Setup utility' for the smooth installation of third-party applications, a 'Welcome Screen' with several integrated shortcuts to make system configuration easier for novice users, LXQT, XFCE and LXDE alternative environments installation scripts and many more. As installed, a user gets a minimal system with possibility to expand it, no other operating system features a tool like Q4OS's Desktop profiler.The Desktop profiler does more then desktop environments installation. Its primary purpose is to offer "application profiles", a set of predefined applications, and install them easily in a single click. A .deb as well as .esh package format is supported. Packages can be defined as cpu architecture, as well as desktop environment, dependable. In addition, each desktop environment may keep its own applications profiles. A user can even create customized profiles on his own.Enjoy Q4OS and feel free to download installation media images from the Downloads section of the Q4OS website.


We are proud to announce a new major stable release of the Q4OS 2.5 Scorpion ARM port, optimized for the Raspberry Pi series of single board computers. It is based on the latest stable Raspbian Stretch distribution and Trinity desktop R14.0.5 version. Q4OS is one of a few distributions offering the full desktop environment on the ARM architecture.Feel free to download the Q4OS RPI image from the Downloads section of the Q4OS website and install it on a SD card, please read the Installation guide. It's possible to buy preinstalled SD card in our e-shop too.Q4OS on Raspberry Pi performs at lightning speed due to its exceptionally low hardware requirements. All the native Q4OS features, for example 'Desktop profiler' and 'Setup tool', are available and fully functional within the Raspberry Pi Q4OS edition. 2ff7e9595c


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