n00b

you have all possible installers here: https://www.7-zip.org/download.html also msi for latest beta

Windows 10 Pro, 7-zip 18.02 (32 & 64 bit). xz compression not working - error: Parameter is incorrect (see attachments). On 18.01 is OK.

Good job Igor. Thank you for your great work.

7-zip 64bit (17.00 beta and previous) Windows 10 Pro wrong information is displayed about adding file, when using zip compression see attachment and marked place - should show file "system.new.dat" (big file)

7-zip 64bit Windows 10 Pro wrong information is displayed about adding file, when using zip compression see attachment and marked place - should show file "system.new.dat" (big file)

cannot extract jpg files in zipx archive created with winzip 19.5 (see attachmen...

Maybe you have AV software that sandbox 7zip? Try disable it. (What kind of AV do...

Did you try to run 7z manager as administrator (right click) and then set associations?...