baldbrother2 Posted May 22, 2017 Share Posted May 22, 2017 I have xp and CMFI v1.12. If I upgrade to engine 4 via 3/4 upgrades will it still play on XP? Thanks. 0 Quote Link to comment Share on other sites More sharing options...
JoMac Posted May 22, 2017 Share Posted May 22, 2017 I think you should be Ok... 0 Quote Link to comment Share on other sites More sharing options...
Schrullenhaft Posted May 22, 2017 Share Posted May 22, 2017 Yes, per 'Kevin2k' in the thread Upgrade 4 on Windows XP SP3 he was able to run CMBN, CMBS and CMFB engine 4.0 Upgrades on Windows XP SP3. That would indicate that the copy-protection version used for the 4.0 engine/upgrades is compatible with Windows XP. You will likely want to temporarily disable your security/AV software will installing the upgrades and possibly during the license activation process. Afterwards you may want to update the exceptions/white-list within your security/AV software for the new executables when re-enabling your security/AV software. 0 Quote Link to comment Share on other sites More sharing options...
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