I have ubuntu linux 32 and need to change to 64. My processor will handle 64. I upgraded to 18.04.1
43778
Is it possible to "upgrade" from a 32bit to a 64bit installation?
106440
How to fully use the 4 GB of RAM in my Laptop under Ubuntu 9.10 - 32-bit
41825
How to downgrade from 64-bit to 32-bit
89453
Can Ubuntu use all my 4GB of RAM?
125004
Do I have 32-bit or 64-bit?
31869
64 bits OS on a 32 bits laptop computer
47835
My processor is 64-bit - does that mean I need the amd64 image?
100879
64-Bit Supporting Processor and 3GB RAM. Should i go for Windows 8 32-bit or 64-bit?
143645
How to fix "*:i386 cannot be configured because *:amd64 is in a different version"?
125397
Determine whether or not I can install a 64-bit operating system (Linux) from the BIOS
148844
Can all flavours of Ubuntu 16.04 run the same programs?
150094
Does Ubuntu Desktop 32Bit Support more than 4GB Memory with default installation?
11599
amd64, i386 (32bit / 64bit) - Which version to choose?
945
What are the system requirements for each flavour of Ubuntu Desktop?
32977
Can I convert a 64 bit Windows to 32 bit Windows?
60850
Can I install the 64 bit version?
30521
how to turbo boost my cpu on Ubuntu?