Even with SP1, you are still missing over 5 years of security updates. After installation, run Windows Update repeatedly:
Best for: IT professionals with active Volume Licensing agreements. Windows Server 2008 R2 Sp1 Download
Dynamic Memory and Hyper-V Guide in Windows Server 2008 R2 SP1 Even with SP1, you are still missing over
A: No. SQL Server 2017 is the last version to support 2008 R2. Even that requires SP3 or later. Even with SP1
Furthermore, many modern software applications and hardware drivers require SP1 as a minimum prerequisite. Therefore, finding an ISO with is the "gold standard" for legacy installations, as it saves hours of patching time and ensures better baseline stability.
A: Not via the public "Download Center." You need an active VLSC, MSDN, or partner portal account.