Quick upgrade question

[Ands43]

When you download the SU8 upgrade should I wipe SU7 from my machine??

[TIG]

No, both versions will co-exist in parallel.
It's relatively painless...
The only complications are that v8 grabs SKP files opened by double-clicking - but you can drop-open files, or use 'open with...' right-click context-menu, or open them from within an active v7 SUp session etc; by default it will also save from v8 as a v8 SKP, meaning that a former v7 SKP can no longer open in v7 - BUT you can do a 'save_as' in v8 and specify an earlier version - so v8 can save as v7 [or even earlier] but you need to do it deliberately each time.
Also remember that you will need to transfer/copy any custom components/materials/styles/plugins/importers/exporters/etc across from v7 to the equivalent folders in v8 [do not mess with anything in the 'tools' folders - the v8 ones will not always be identical to v7's]; your current shortcuts in v7 should be auto-replicated into v8 [but check after the install] and check that the v8 preferences for folders etc look to the correct v8 folders - some might still [wrongly] look for the v7 equivalents and the image-editor etc are set as in v7...