Process of installing Android is little bit lengthy and technical. You need to go on youtube where you will get a good video to follow and successfully install Android.
System and compressed memory high cpu is actually a process which responsible for multiple functions related to the PC and memory of the PC. It also responsible of compressing the files or folders and management of RAM. Most of the time this process take small amount of Disk space but some time this process starts using up 100% of affected users’ Disks and whole system become very slow due to it. 1) First solution to Repair Corrupt System Files to fix this error. 2) Set the paging file size for all drives back to automatic. 3) Disable the System and compressed memory process altogether 4) Disable the Superfetch service