New to Manjaro, I want to install spek but I am not sure how though with the .tar.xz file

[scotty65]

As you are new to Manjaro, it is recommended that you also have a read through the following advice regarding AUR usage:

[HowTo] Use the AUR

Difficulty: ★★☆☆☆ What is AUR? The Arch User Repository is an online repository, managed by the Arch community rather than the Arch packagers. AUR differs from the Manjaro repositories by multiple, important key points: AUR does not contain packages, but PKGBUILDs. See below for details. AUR is not managed by Manjaro. There is thus no official support for AUR packages. Package compatibility is not ensured for all points in time. See below for details. AUR is not managed by Arch …

[Need-To-Know] About Manjaro and AUR

TL:DR DISCLAIMER: AUR packages are user produced content. Any use of the provided files is at your own risk. sudo pacman-mirrors -aS unstable sudo pacman -Syu base-devel When you sync your system any CUSTOM package may cease to function without warning OR your system may cease to function due to a CUSTOM package - therefore one must remove all CUSTOM packages before an issue can be validated as related to Manjaro. custom packages - unsupported - you are on your own! Examples → Spectac…

Arch User Repository - ArchWiki