Note for PrimeOS Mainline 、Standard、Classic （depending on hardware）

Note - not releasing OTA for 0.4.3 

PrimeOS Mainline 64 bit (for newest systems 2014+ ，Base kernel - Linux 4.19.x Linux 4.19.x) 

Use this variant only if you have a cpu which was manufactured in or  after year 2014, For example -> [ Intel Core i series 5th gen or above  OR Intel celeron N4000  OR AMD A8 7410 etc. ] Also make sure that your CPU has  SSE 4.2 instruction support, just enter your cpu model on google and you can find all this info easily. This variant of PrimeOS will work well for both  Intel and AMD GPUs, however, if you use a  desktop and have a Nvidia GPU, you should not use this variant as it will cause lockups and will lead to freezes, but if you have a  laptop, your Intel gpu will work well instead of Nvidia.  In case you get any graphic glitches on this variant, you should switch to PrimeOS Standard.
This variant of PrimeOS will be using 4.19 kernel and 18.1.0 mesa, once you install this variant of PrimeOS, you will always get OTA of this variant only, in case you want to switch to the other variant (for older systems), you must re-install PrimeOS.

        download url:https://pan.baidu.com/s/1lnDwWEUjwME4OrSps2TW8Q 提取码: xhd1  

PrimeOS Standard 64 bit (for newer systems 2011+，Base kernel - Linux 4.14.x Linux 4.14.x) -

Use this variant only if you have a cpu which was manufactured in or  after year 2011, For example -> [ Intel Core i series 2nd gen or above  OR Intel celeron N3350  OR AMD A8 5550M etc. ] Also make sure that your CPU has  SSE 4.2 instruction support, just enter your cpu model on google and you can find all this info easily. This variant of PrimeOS will work well for  Older Intel, AMD, Nvidia GPUs.
This variant of PrimeOS will be using 4.14 kernel and 17.1.10 mesa, once you install this variant of PrimeOS, you will always get OTA of this variant only, in case you want to switch to the other variant (for older systems), you must re-install PrimeOS.

        download url: https://pan.baidu.com/s/1mGCIwDMoX3SNvPotm9Jr0Q 提取码: k2v2 

PrimeOS Classic 32 bit (for older systems，Base kernel - Linux 4.14.x Linux 4.14.x) -

Use this variant if you have a cpu which was manufactured  before year 2011, For example ->[ Intel Core i series 1st gen or below  OR Intel Pentium dual core  OR  Intel Pentium G620  OR AMD Phenom II X6 1100T etc. ] Just enter your cpu model on google and you can find this info easily. This variant of PrimeOS will work well for all  Old Intel, Old AMD and Old Nvidia GPUs. This version will also work on 32-bit systems,  In case you cannot boot this variant of PrimeOS, you should try using PrimeOS standard or mainline.
This variant of PrimeOS will be using 4.14 kernel and 17.1.10 mesa, once you install this variant of PrimeOS, you will always get OTA of this variant only, in case you want to switch to the other variant (for older systems), you must re-install PrimeOS.Hello everyone, we will soon release PrimeOS 0.4.3, as you all know, we normally release both 32 bit and 64 bit variants, but starting from PrimeOS 0.4.3, this has changed, we will now have  three variants depending on hardware, please read below very carefully and decide which one suits you best.
 

        download url: https://pan.baidu.com/s/1xB7MAgpE4FEKo1CA0LsYIg  提取码: gvff

URL：https://forum.xda-developers.com/showpost.php?p=78858613&postcount=2387